externalmailfilter.dk

📜 Historical scan 2026-06-20 03:48:47  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

externalmailfilter.dk is a .dk domain served by 2 nameservers (ns1.oemhost.net, ns2.oemhost.net). It was registered on 23 September 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 95.142.104.181 is hosted by Microdata Aps (AS204866) in Denmark. Mail is handled by mail12.imapserver.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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#

2 records   94ms
NameserverIP addressesPTRASN / ISP
ns1.oemhost.net 2a07:a80:4:8004::174
95.142.104.174		 web05.oemhost.net
174.160-191.104.142.95.in-addr.arpa		 AS34766 atom86 BV
AS204866 Microdata Aps
ns2.oemhost.net 138.199.167.64
2a01:4f8:c013:eeff::1		 web51.oemhost.net
web51.oemhost.net		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH

🌍 A Records#

1 records   88ms
IPTTLPTRASNISP / OrgCIDRCountryCity
95.142.104.181 10800s 181.160-191.104.142.95.in-addr.arpa
web12.oemhost.net		 AS204866 Microdata Aps 95.142.104.0/24 🇩🇰 Denmark —

📧 MX Records#

1 records   114ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mail12.imapserver.dk 2a07:a80:4:8004::181
95.142.104.181
95.142.104.181		 web12.oemhost.net
181.160-191.104.142.95.in-addr.arpa
web12.oemhost.net		 AS34766 atom86 BV
AS204866 Microdata Aps
AS204866 Microdata Aps

🔷 AAAA Records (IPv6)#

1 records   63ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a07:a80:4:8004::181 10800s web12.oemhost.net AS34766 atom86 BV 2a07:a80:0:0:0:0:0:0/29 🇳🇱 The Netherlands —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   596ms
TXT Record
v=spf1 include:spf.imapserver.dk -all

✉️ SPF#

PolicyRecord (externalmailfilter.dk)
-all (hard fail) v=spf1 include:spf.imapserver.dk -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

2 records   86ms
FlagsTagValue
0 iodef mailto:noc@oemhost.net
128 issue letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 15:21:59
www95.142.104.181 2a07:a80:4:8004::181 (AS34766 AS204866) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 10 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

10 records   201ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail12.imapserver.dk DANE-TA · SPKI · SHA-256 2BBAD93AB5C79279EC121507F272CBE0…
SMTP _25._tcp.mail12.imapserver.dk DANE-TA · SPKI · SHA-256 6DDAC18698F7F1F7E1C69B9BCE420D97…
SMTP _25._tcp.mail12.imapserver.dk DANE-TA · SPKI · SHA-256 025490860B498AB73C6A12F27A49AD5F…
SMTP _25._tcp.mail12.imapserver.dk DANE-TA · SPKI · SHA-256 3586D4ECF070578CBD27AEDCE20B964E…
SMTP _25._tcp.mail12.imapserver.dk DANE-TA · SPKI · SHA-256 F1440A9B76E1E41E53A4CB461329BF63…
SMTP _25._tcp.mail12.imapserver.dk DANE-TA · SPKI · SHA-256 885BF0572252C6741DC9A52F5044487F…
SMTP _25._tcp.mail12.imapserver.dk DANE-TA · SPKI · SHA-256 CBBC559B44D524D6A132BDAC672744DA…
SMTP _25._tcp.mail12.imapserver.dk DANE-TA · SPKI · SHA-256 F1647A5EE3EFAC54C892E930584FE479…
SMTP _25._tcp.mail12.imapserver.dk DANE-TA · SPKI · SHA-256 919C0DF7A787B597ED056ACE654B1DE9…
SMTP _25._tcp.mail12.imapserver.dk DANE-TA · SPKI · SHA-256 D016E1FE311948ACA64F2DE44CE86C9A…

🔐 DNSSEC#

211ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

116ms
FieldValue
Serial2025062481
Primary NS (MNAME)ns1.oemhost.net
Responsible (RNAME)hostmaster@oemhost.net
Refresh14400s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)43200s

📋 Registration#

WHOIS fetched 2026-10-10 15:36:53
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2006-09-23
Expires2026-11-30 (44d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
94ms
A
88ms
MX
114ms
AAAA
63ms
TXT
596ms
CAA
86ms
HTTPS
89ms
TLSA
201ms
SOA
116ms
MTA-STS
177ms
DNSSEC
211ms
SRV
2148ms
Total
2704ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-10 15:21:58 4405ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-09 11:35:45 1313ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-07 11:54:33 5432ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-07 11:37:52 758ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 19:08:07 2819ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-25 18:11:45 957ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-24 13:15:17 3589ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-16 11:14:01 2153ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-09 10:46:41 5504ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-27 01:12:42 2363ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-23 13:55:18 3724ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-17 02:10:39 4878ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-03 22:57:27 1754ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-02 14:22:49 9280ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-25 12:25:45 1672ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-12 03:34:41 1669ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-03 20:27:57 791ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-02 12:59:12 1740ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-24 18:46:54 2166ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-20 03:48:47 shown 2704ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-17 09:09:54 2146ms 2 NS 1 A 1 MX 🔒 Secure
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