op.dk DNS records

🖥️ Nameservers5 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.gigahost.dk	46.183.139.31	ns1.gigahost.dk	AS47292 Sentia Denmark A/S
ns2.gigahost.dk	46.183.139.222	web22.gigahost.dk	AS47292 Sentia Denmark A/S
ns3.gigahost.dk	71.19.249.71	ns3.gigahost.dk	AS11831 eSecureData
ns4.gigahost.dk	51.79.215.130	ns4.gigahost.dk	AS16276 OVH SAS
ns5.gigahost.dk	77.74.192.83	ns5.gigahost.dk	AS42831 UK Dedicated Servers Limited

🌍 A Records1 records 176ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.183.138.100	3600s	—	AS47292	Sentia Denmark A/S	46.183.138.0/23	🇩🇰 Denmark	—

📧 MX Records9 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	aspmx.l.google.com	142.251.9.26 2a00:1450:4025:c03::1b	rc-in-f26.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt2.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
15	3600s	aspmx2.googlemail.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
15	3600s	aspmx3.googlemail.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
15	3600s	aspmx4.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
15	3600s	aspmx5.googlemail.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
100	3600s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
100	3600s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	op.dk → 46.183.138.100
🔶 Autoconfig	op.dk → 46.183.138.100

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 225ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk

📝 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.op.dk	op.dk

🔗 TLSA / DANE

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

🔐 DNSSEC346ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026082701
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@op.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

49ms

A

176ms

MX

32ms

AAAA

28ms

TXT

182ms

CAA

178ms

HTTPS

41ms

TLSA

98ms

SOA

0ms

MTA-STS

62ms

DNSSEC

346ms

SRV

225ms

Total

1241ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:24:47	1241ms	5 NS 1 A 9 MX	🔓 Insecure	View
2026-08-20 05:39:03	2696ms	5 NS 1 A 9 MX	🔓 Insecure	View
2026-08-13 12:42:32	2681ms	5 NS 1 A 9 MX	🔓 Insecure	View
2026-08-06 15:50:13	1784ms	5 NS 1 A 9 MX	🔓 Insecure	View
2026-07-30 21:39:38	9509ms	5 NS 1 A 9 MX	❓ Unknown	View
2026-07-23 22:29:56	2007ms	5 NS 1 A 9 MX	🔓 Insecure	View
2026-07-16 17:22:37	1954ms	5 NS 1 A 9 MX	🔓 Insecure	View
2026-07-10 08:34:53	10541ms	5 NS 1 A 9 MX	🔓 Insecure	View
2026-07-03 19:24:44	2683ms	5 NS 1 A 9 MX	🔓 Insecure	View
2026-06-26 10:00:11	1113ms	5 NS 1 A 9 MX	🔓 Insecure	View
2026-06-22 08:22:42	3427ms	5 NS 1 A 9 MX	🔓 Insecure	View
2026-06-17 23:22:49	925ms	5 NS 1 A 9 MX	🔓 Insecure	View