creb.dk DNS records

🖥️ Nameservers2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
algin.ns.cloudflare.com	108.162.193.61 172.64.33.61 173.245.59.61 2606:4700:58::adf5:3b3d 2803:f800:50::6ca2:c13d 2a06:98c1:50::ac40:213d	algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ryleigh.ns.cloudflare.com	108.162.194.198 162.159.38.198 172.64.34.198 2606:4700:50::a29f:26c6 2803:f800:50::6ca2:c2c6 2a06:98c1:50::ac40:22c6	ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 23ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.18.2.157	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—
104.18.3.157	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700::6812:29d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700::6812:39d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.18.2.157,104.18.3.157 ipv6hint=2606:4700::6812:29d,2606:4700::6812:39d

📝 TXT Records2 records 137ms

TXT Record
MS=ms33172067
v=spf1 include:_spf4890.spfprotect.com -all

✉️ SPF

Policy	Record (creb.dk)
-all (hard fail)	v=spf1 include:_spf4890.spfprotect.com -all

📨 DMARC

Policy	Record (_dmarc.creb.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:611e7677625a7@dmarc.centerasecurity.com;

📬 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)

🔐 DNSSEC91ms

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

🏷️ SOA0ms

Field	Value
Serial	2413358503
Primary NS (MNAME)	algin.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

32ms

A

23ms

MX

26ms

AAAA

34ms

TXT

137ms

CAA

51ms

HTTPS

31ms

TLSA

134ms

SOA

0ms

MTA-STS

44ms

DNSSEC

91ms

SRV

54ms

Total

578ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 02:06:39	578ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-07 17:48:02	1191ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-03 18:24:54	8692ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-16 14:40:03	1641ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-12 07:06:10	9449ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-24 12:09:50	943ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-22 18:33:43	991ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-22 06:58:10	606ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-16 22:56:12	742ms	2 NS 2 A 2 MX	🔒 Secure	View