postnr.dk
Last scanned: 2026-08-30 14:23:20  ·  2156ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 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 Records1 records   91ms
IPTTLPTRASNISP / OrgCIDRCountryCity
37.27.17.130 43200s vps4.chsc.dk AS24940 Hetzner Online GmbH 37.27.0.0/16 🇫🇮 Finland Helsinki
📧 MX Records1 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 Records1 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 Records2 records   154ms
FlagsTagValue
0 iodef mailto:caa-report@chsc.dk
0 issue letsencrypt.org
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC476ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082901
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 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
2026-08-30 14:23:20 2156ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-03 17:44:13 8772ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-29 20:45:39 709ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 17:40:42 734ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 05:44:04 2591ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 13:00:10 769ms 2 NS 1 A 1 MX 🔒 Secure View
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