costan.dk
Last scanned: 2026-08-12 13:03:06  ·  3643ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   292ms
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 Records4 records   337ms
IPTTLPTRASNISP / OrgCIDRCountryCity
198.185.159.144 3600s — AS53831 Squarespace, Inc. 198.185.159.0/24 🇺🇸 United States New York
198.185.159.145 3600s — AS53831 Squarespace, Inc. 198.185.159.0/24 🇺🇸 United States —
198.49.23.144 3600s — AS53831 Squarespace, Inc. 198.49.23.0/24 🇺🇸 United States —
198.49.23.145 3600s — AS53831 Squarespace, Inc. 198.49.23.0/24 🇺🇸 United States —
📧 MX Records1 records   295ms
PriorityTTLMail ServerIP addressesPTRASN
3600 3600s aspmx.l.google.com 142.251.127.26
2a00:1450:4001:c21::1b		 lcfrai-in-f26.1e100.net
lcfrai-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC556ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081105
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
292ms
A
337ms
MX
295ms
AAAA
251ms
TXT
754ms
CAA
256ms
HTTPS
230ms
TLSA
344ms
SOA
0ms
MTA-STS
300ms
DNSSEC
556ms
SRV
275ms
Total
3643ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-12 13:03:06 3643ms 2 NS 4 A 1 MX 🔒 Secure View
2026-08-11 01:30:51 2642ms 2 NS 4 A 1 MX 🔒 Secure View
2026-08-09 20:54:13 894ms 2 NS 4 A 1 MX 🔒 Secure View
2026-07-08 17:05:22 671ms 2 NS 4 A 1 MX 🔒 Secure View
2026-06-21 16:14:16 467ms 2 NS 4 A 1 MX 🔒 Secure View
2026-06-16 22:36:14 547ms 2 NS 4 A 1 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone