mailfilter.dk

📜 Historical scan 2026-06-19 20:38:44  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mailfilter.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 6 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.249.40.66 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.mailfilter.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records   73ms
NameserverIP addressesPTRASN / ISP
ns1.eurodns.com 199.167.66.107
2610:1c8:b002::107		 ns1.eurodns.com
ns1.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns2.eurodns.com 104.37.178.107
2610:1c8:b001::107		 ns2.eurodns.com
ns2.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns3.eurodns.com 199.167.66.108
2610:1c8:b002::108		 ns3.eurodns.com
ns3.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns4.eurodns.com 104.37.178.108
2610:1c8:b001::108		 ns4.eurodns.com
ns4.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC

🌍 A Records#

1 records   71ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.249.40.66 3600s mail.mailfilter.dk AS3292 TDC Holding A/S 195.249.0.0/16 🇩🇰 Denmark Odense

📧 MX Records#

1 records   306ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.mailfilter.dk 195.249.40.66 mail.mailfilter.dk AS3292 TDC Holding A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   812ms
TXT Record
v=spf1 ip4:195.249.40.66 -all

✉️ SPF#

PolicyRecord (mailfilter.dk)
-all (hard fail) v=spf1 ip4:195.249.40.66 -all

📨 DMARC#

PolicyRecord (_dmarc.mailfilter.dk)
p=reject v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:cv1zdpyr@ag.eu.dmarcian.com; ruf=mailto:cv1zdpyr@fr.eu.dmarcian.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-17 03:57:51
wwwExists, no address
www vs bare domainwww does not resolve
mailfilter.dk: 195.249.40.66 (AS3292)
www.mailfilter.dk: no address
(all like this)
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
s1 — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

299ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

74ms
FieldValue
Serial2025090149
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-14 02:11:39
FieldValue
RegistrarEurodns S.A
Registered2000-04-06
Expires2027-06-30 (252d)

🔗 Same registrant#

73 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
118.dkEurodns S.A
118online.dkEurodns S.A
billingcom.dkEurodns S.A
companymobile.dkEurodns S.A
dingelink.dkEurodns S.A
erhvervsoplysningen.dkEurodns S.A
eris.dkEurodns S.A
flexconnect.dkEurodns S.A
gratishotspot.dkEurodns S.A
m-portal.dkEurodns S.A
mailtdc.dkEurodns S.A
mailtdconline.dkEurodns S.A
medarbejderkoncepter.dkEurodns S.A
medarbejderpcsupport.dkEurodns S.A
mobilbeskedcenter.dkEurodns S.A
mobilflex-connect.dkEurodns S.A
mobilmixit.dkEurodns S.A
musikspot.dkEurodns S.A
mytdc.dkEurodns S.A
net-status.dkEurodns S.A
netexpressadsl.dkEurodns S.A
onfonefastnet.dkEurodns S.A
onfonemobil.dkEurodns S.A
online-oplysningen.dkEurodns S.A
onlinetdc.dkEurodns S.A
oplysningen.dkEurodns S.A
oreg.dkEurodns S.A
partnersalg.dkEurodns S.A
securemail.dkEurodns S.A
signaturboks.dkEurodns S.A
sikkerhedspakker.dkEurodns S.A
sms-til-mail.dkEurodns S.A
tcm-platform.dkEurodns S.A
tcmplatform.dkEurodns S.A
tdc-hotspot.dkEurodns S.A
tdc-innovation.dkEurodns S.A
tdc-magasinet.dkEurodns S.A
tdc-mobile.dkEurodns S.A
tdc-oplysning.dkEurodns S.A
tdc-partner.dkEurodns S.A
tdc-salg.dkPunktum dk A/S (direct)
tdcbeskedservice.dkEurodns S.A
tdcd.dkEurodns S.A
tdcdanmark.dkEurodns S.A
tdcdenmark.dkEurodns S.A
tdcdk.dkEurodns S.A
tdcerhverv.dkEurodns S.A
tdcevent.dkEurodns S.A
tdcfilm.dkEurodns S.A
tdcinternetdanmark.dkEurodns S.A
tdcinternordia.dkEurodns S.A
tdcmail.dkEurodns S.A
tdcmusic.dkEurodns S.A
tdcmusik.dkEurodns S.A
tdcpartner.dkEurodns S.A
tdcplay.dkEurodns S.A
tdcportal.dkEurodns S.A
tdcportalen.dkEurodns S.A
tdcsamtale.dkEurodns S.A
tdcselvbetjening.dkEurodns S.A
tdcserviceonline.dkEurodns S.A
tdcshop.dkEurodns S.A
tdcsms.dkEurodns S.A
tdcwebtekst.dkEurodns S.A
tddc.dkEurodns S.A
telebusiness.dkEurodns S.A
telecomerhvev.dkEurodns S.A
totallosning.dkEurodns S.A
udlandsoplysningen.dkEurodns S.A
unotel.dkEurodns S.A
unotell.dkEurodns S.A
virksomhedsinfo.dkEurodns S.A
wwwtdc.dkEurodns S.A
📋 WHOIS#

⏱️ Lookup Timing#

NS
73ms
A
71ms
MX
306ms
AAAA
78ms
TXT
812ms
CAA
71ms
HTTPS
86ms
TLSA
836ms
SOA
74ms
MTA-STS
54ms
DNSSEC
299ms
SRV
101ms
Total
1856ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 03:57:51 546ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-16 03:52:52 2441ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-15 02:40:36 733ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-14 01:44:03 1209ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-27 08:38:21 660ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-25 08:14:14 718ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-09 05:25:48 738ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-06 17:07:36 2429ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-27 06:51:17 2624ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-21 12:46:31 4898ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-19 07:02:22 3666ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-03 18:32:05 8756ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-22 14:07:03 827ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-16 11:08:29 1025ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-13 23:52:05 2811ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-27 02:22:18 3749ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-21 08:42:23 1117ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-19 20:38:44 shown 1856ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 23:18:32 592ms 4 NS 1 A 1 MX 🔒 Secure
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