dualstack.dk DNS records

🖥️ Nameservers2 records 15ms

Nameserver	IP addresses	PTR	ASN / ISP
coleman.ns.cloudflare.com	108.162.195.64 162.159.44.64 172.64.35.64 2606:4700:58::a29f:2c40 2803:f800:50::6ca2:c340 2a06:98c1:50::ac40:2340	coleman.ns.cloudflare.com coleman.ns.cloudflare.com coleman.ns.cloudflare.com coleman.ns.cloudflare.com coleman.ns.cloudflare.com coleman.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
fay.ns.cloudflare.com	108.162.192.115 172.64.32.115 173.245.58.115 2606:4700:50::adf5:3a73 2803:f800:50::6ca2:c073 2a06:98c1:50::ac40:2073	fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.3.146	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.130.211	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 59ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:392	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:82d3	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.3.146,172.67.130.211 ech=AEX+DQBBDAAgACD2tpX44dE776O1qEe4pBYcf9gV2sYonx2xzeulGUbiNgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:392,2606:4700:3036::ac43:82d3

📝 TXT Records2 records 161ms

TXT Record
v=DMARC1; p=reject;
v=spf1 -all

✉️ SPF

Policy	Record (dualstack.dk)
-all (hard fail)	v=spf1 -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)

🔐 DNSSEC80ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA55ms

Field	Value
Serial	2407017934
Primary NS (MNAME)	coleman.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

15ms

A

25ms

MX

45ms

AAAA

59ms

TXT

161ms

CAA

39ms

HTTPS

44ms

TLSA

57ms

SOA

55ms

MTA-STS

66ms

DNSSEC

80ms

SRV

204ms

Total

819ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 03:29:21	1123ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-27 11:08:02	525ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-11 04:53:46	2848ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-04 00:40:39	1350ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-24 06:49:03	3542ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-16 02:39:26	1173ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-26 11:02:54	1018ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-25 18:22:14	819ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-25 15:14:19	911ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 04:55:20	446ms	2 NS 2 A 0 MX	🔒 Secure	View