postnr.dk

📜 Historical scan 2026-08-30 14:23:20  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

postnr.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 September 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.27.17.130 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by localhost.chsc.dk. The zone is DNSSEC-signed and validates, publishes a 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   120ms
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   91ms
IPTTLPTRASNISP / OrgCIDRCountryCity
37.27.17.130 43200s vps4.chsc.dk AS24940 Hetzner Online GmbH 37.27.0.0/16 🇫🇮 Finland Helsinki

📧 MX Records#

1 records   77ms
PriorityTTLMail ServerIP addressesPTRASN
0 43200s localhost.chsc.dk ::1
127.0.0.1		 localhost
localhost		 —
—

🔷 AAAA Records (IPv6)#

1 records   94ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:4f9:c012:4189::1 43200s vps4.chsc.dk AS24940 Hetzner Online GmbH 2a01:4f8:0:0:0:0:0:0/31 🇫🇮 Finland Helsinki

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   531ms
TXT Record
v=spf1 -all

✉️ SPF#

PolicyRecord (postnr.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

PolicyRecord (_dmarc.postnr.dk)
p=reject v=DMARC1; p=reject

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

2 records   154ms
FlagsTagValue
0 iodef mailto:caa-report@chsc.dk
0 issue letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-21 04:19:17
www CNAMEpostnr.dk (all on postnr.dk)
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: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

476ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026082901
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-18 07:48:39
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2010-09-23
Expires2030-04-30 (1286d)

🔗 Same registrant#

5 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
ip-adressen.dkPunktum dk A/S (direct)
ipnr.dkPunktum dk A/S (direct)
jens-edmunn.dkPunktum dk A/S (direct)
taxipriser.dkPunktum dk A/S (direct)
tjekprisen.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
120ms
A
91ms
MX
77ms
AAAA
94ms
TXT
531ms
CAA
154ms
HTTPS
96ms
TLSA
205ms
SOA
0ms
MTA-STS
226ms
DNSSEC
476ms
SRV
221ms
Total
2156ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-21 04:19:17 1102ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-01 03:06:50 563ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 05:57:11 663ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-24 03:39:15 1088ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-30 14:23:20 shown 2156ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-03 17:44:13 8772ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-29 20:45:39 709ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-22 17:40:42 734ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-20 05:44:04 2591ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-17 13:00:10 769ms 2 NS 1 A 1 MX 🔒 Secure
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