ostermark.dk

Records from scan: 2026-10-19 02:11:28  ·  491ms total
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ostermark.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 31 March 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.140 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   49ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

1 records   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.213.140 3600s webcluster1.webpod14-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen

📧 MX Records#

4 records   28ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.mailpod15-cph3.g1i.one.com 104.37.35.36 mx1.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx2.mailpod15-cph3.g1i.one.com 104.37.35.37 mx2.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx3.mailpod15-cph3.g1i.one.com 104.37.35.38 mx3.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx4.mailpod15-cph3.g1i.one.com 104.37.35.39 mx4.mailpod15-cph3.g1i.one.com AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

1 records   27ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:10c:60:4fa4:7207:9420 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   144ms
TXT Record
v=spf1 include:spf.protection.example.com include:_custspf.one.com -all

✉️ SPF#

PolicyRecord (ostermark.dk)
-all (hard fail) v=spf1 include:spf.protection.example.com include:_custspf.one.com -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#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-19 02:11:28
www46.30.213.140 2a02:2350:5:10c:60:4fa4:7207:9420 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

  • error include:spf.protection.example.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

4 records   69ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 FEA3731F9349938931D39CCE9FCE17B7…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 FEA3731F9349938931D39CCE9FCE17B7…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 FEA3731F9349938931D39CCE9FCE17B7…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 FEA3731F9349938931D39CCE9FCE17B7…

🔐 DNSSEC#

58ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

44ms
FieldValue
Serial2026101704
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-19 02:30:17
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2005-03-31
Expires2027-03-31 (162d)

🔗 Same registrant#

1 domain

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
ballonerogtrylleshow.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
49ms
A
39ms
MX
28ms
AAAA
27ms
TXT
144ms
CAA
37ms
HTTPS
27ms
TLSA
69ms
SOA
44ms
MTA-STS
40ms
DNSSEC
58ms
SRV
49ms
Total
491ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 02:11:28 shown 491ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-09 10:33:59 916ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-07 09:19:43 775ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-01 04:51:54 502ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-09 09:20:31 851ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-04 15:34:50 568ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-19 06:54:30 9236ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-22 02:16:21 567ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-21 19:03:44 1014ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 22:51:30 814ms 2 NS 1 A 4 MX 🔒 Secure
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