oatcopenhagen.dk DNS records

🖥️ Nameservers2 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
blair.ns.cloudflare.com	108.162.194.121 162.159.38.121 172.64.34.121 2606:4700:50::a29f:2679 2803:f800:50::6ca2:c279 2a06:98c1:50::ac40:2279	blair.ns.cloudflare.com blair.ns.cloudflare.com blair.ns.cloudflare.com blair.ns.cloudflare.com blair.ns.cloudflare.com blair.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kai.ns.cloudflare.com	108.162.193.188 172.64.33.188 173.245.59.188 2606:4700:58::adf5:3bbc 2803:f800:50::6ca2:c1bc 2a06:98c1:50::ac40:21bc	kai.ns.cloudflare.com kai.ns.cloudflare.com kai.ns.cloudflare.com kai.ns.cloudflare.com kai.ns.cloudflare.com kai.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.193	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.188.67	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mail.oatcopenhagen.dk	144.76.115.20	cp05.nordicway.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)2 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:bc43	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:28c1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 53ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.40.193,172.67.188.67 ech=AEX+DQBBbQAgACB7/SBH+xqW4r7SI60BZcc14GXZERm9bXXLDs1CZjL2RwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bc43,2606:4700:3033::6815:28c1

📝 TXT Records2 records 194ms

TXT Record
google-site-verification=D90eTdxuIEIcrDhk-kjPQdnedYhZZpNMA6MBy7WgRlU
v=spf1 +a +mx +ip4: 144.76.115.20 ~all

✉️ SPF

Policy	Record (oatcopenhagen.dk)
~all (soft fail)	v=spf1 +a +mx +ip4: 144.76.115.20 ~all

📨 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)

🔐 DNSSEC76ms

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	2410259386
Primary NS (MNAME)	blair.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

57ms

A

43ms

MX

55ms

AAAA

51ms

TXT

194ms

CAA

46ms

HTTPS

53ms

TLSA

73ms

SOA

0ms

MTA-STS

76ms

DNSSEC

76ms

SRV

2043ms

Total

2473ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 16:06:56	2473ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-23 07:24:10	1061ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-12 00:29:08	9956ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 08:03:17	3960ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 17:02:35	914ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 01:29:55	3015ms	2 NS 2 A 1 MX	🔓 Insecure	View