postnr.dk

📜 Historical scan 2026-10-01 03:06:50  ·  ← 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   46ms
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   40ms
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   43ms
PriorityTTLMail ServerIP addressesPTRASN
0 43200s localhost.chsc.dk ::1
127.0.0.1		 localhost
localhost		 —
—

🔷 AAAA Records (IPv6)#

1 records   31ms
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   149ms
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   35ms
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#

81ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

45ms
FieldValue
Serial2026092901
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
46ms
A
40ms
MX
43ms
AAAA
31ms
TXT
149ms
CAA
35ms
HTTPS
34ms
TLSA
147ms
SOA
45ms
MTA-STS
62ms
DNSSEC
81ms
SRV
71ms
Total
563ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-21 04:19:17 1102ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-01 03:06:50 shown 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 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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