MX records and mailservers - DNS analysis SK 2009/09

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Number Of MX Records Per Domain
39172
 
46388
 
59635
 
17703
 
8888
 
246
 
13438
 
1101
 
28
 
11
 
0
 
0
 
0
 
0
 
0 1 2 3 4 5 6 7 8 9 10 11 12 13

MX records
MX recordsIPdomains%
sns.domains.sk195.47.67.218175079.38
mailin.mx-hub.sk217.67.30.112135147.24
mailin.mx-hub.net217.67.30.112135037.24
mailin.mx-hub.cz217.67.30.112134567.21
mailin.mx-hub.eu217.67.30.112134547.21
as.mx-hub.sk217.67.30.96129326.93
as.mx-hub.net217.67.30.97129286.93
relay.exohosting.sk93.184.71.6681744.38
relay1.exohosting.sk92.240.234.6781744.38
relay2.dnsserver.eu82.119.226.10181074.34
relay3.dnsserver.eu92.240.234.7378584.21
mx0.atlantis.sk92.240.247.661003.27
mx2.atlantis.sk85.248.69.12760973.27
mail1.websupport.sk82.119.226.3657923.10
mail2.websupport.sk92.240.234.3757893.10
triton.domains.sk82.208.46.8054432.92
mta-in.t-com.sk213.81.152.1951512.76
mail2.webglobe.sk92.240.246.13542942.30
mail3.webglobe.sk217.67.22.8642842.30
inmail.webglobe.sk217.67.22.7840952.19
mail-relay.slovenska.sk212.5.219.7231881.71
mail-relay2.nic.sk195.28.69.14631511.69
mail-relay3.nic.sk195.28.69.14631481.69
mail.slovenska.sk217.67.22.5030941.66
mailhub.ltc.sk81.89.56.2028431.52
venus.domains.sk82.208.46.5025231.35
mxavas.forpsi.com81.2.195.20024881.33
ceres.domains.sk82.208.46.14121191.14
10mx.zoner.com217.198.112.24620111.08
15mx.zoner.com82.208.28.7420071.08
MX records - IP address
IPreverse recorddomains%
217.67.30.112mailhub11.mx-hub.net5447329.19
195.47.67.218sns.domains.sk175089.38
217.67.30.96as1.nameserver.sk138877.44
217.67.30.97as2.nameserver.sk138827.44
92.240.234.67relay2.dnsserver.eu81744.38
93.184.71.66relay3.dnsserver.eu81744.38
82.119.226.101relay1.exohosting.sk81074.34
92.240.234.73relay3.dnsserver.eu78584.21
195.28.69.146ns2.h2o.sk65343.50
92.240.247.6mx0.atlantis.sk61003.27
85.248.69.127mx2.elite.sk60973.27
82.119.226.36thor.websupport.sk58293.12
92.240.234.37wrk.websupport.sk57903.10
82.208.46.80triton.domains.sk54642.93
217.67.22.86ariel.webglobe.sk53362.86
217.67.22.78mailhub.webglobe.sk52572.82
213.81.152.19mta-in.t-com.sk51952.78
92.240.246.135mxbackup1.webglobe.sk42952.30
212.5.219.72web7.slovenska.sk31881.71
217.67.22.50oscar.slovenska.sk30941.66
81.89.56.20mailhub.ltc.sk30531.64
88.86.113.6smtp.szm.com29101.56
195.47.67.217sns.nethost.sk27631.48
82.208.46.50venus.domains.sk25231.35
81.2.195.200mxavas.forpsi.com24881.33
82.208.46.141ceres.domains.sk21201.14
217.198.112.24610mx.zoner.com20111.08
82.208.28.7415mx.zoner.com20071.08
217.198.112.201r4.zoner.com19361.04
82.208.46.61andromeda.domains.sk18641.00
Number of MX records
resultnumber%
domain does not have any MX record2665414.28
domain has at least 2 MX records10105154.15
domain name has only 1 MX record4638824.86
Syntax check of MX records
resultnumber%
All MX records are syntactically correct14735078.96
some MX record has invalid syntax100.01
some MX record contains IP address790.04
unknown or not tested2665414.28
Resolve MX records to IP address
resultnumber%
All MX records can be correctly resolved to IP address14659678.56
some domain names from MX records can't be resolved to IP address5530.3
none of names from MX records can't be resolved to IP address2800.15
unknown or not tested2666414.29
MX records duplicity
resultnumber%
MX records are not duplicated12883469.04
MX records contain duplicate names3870.21
some MX records point to the same IP address182089.76
unknown or not tested2666414.29
TTL values of MX records
resultnumber%
TTL values of MX records are equal14731578.94
TTL mismatch in MX records1140.06
unknown or not tested2666414.29
Reverse reverse records of MX records
resultnumber%
Reverse records match with their IP addresses12297965.9
reverse records don't match for all MX records42872.3
reverse records don't match for some MX records152078.15
reverse records for some MX records don't exist49562.66
unknown or not tested2666414.29
AAAA records presence
resultnumber%
All mailservers have IPv6 address (AAAA records)2180.12
at least one mailserver supports IPv6 (has AAAA record)32331.73
none of mailservers does not have IPv6 (AAAA record)14397877.15
unknown or not tested2666414.29
SPF records presence
resultnumber%
domain does not have SFP or TXT (v=spf1) record16058886.05
domain has SPF record5480.29
domain has TXT (v=spf1) záznam135047.24
Mail servers in DNSBL blacklists
resultnumber%
None of mailservers is listed in any DNSBL servers thus they are not the source of spam14742979
Some of mailservers are listed in DNSBL00
all mailservers are listed in DNSBL00
unknown or not tested2666414.29




(c) Petr Šťastný 2010, e-mail:








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DNS analysis .SK 09/2009