code-fu.dk DNS records

🖥️ Nameservers2 records 75ms

Nameserver	IP addresses	PTR	ASN / ISP
dawn.ns.cloudflare.com	108.162.192.106 172.64.32.106 173.245.58.106 2606:4700:50::adf5:3a6a 2803:f800:50::6ca2:c06a 2a06:98c1:50::ac40:206a	dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
terin.ns.cloudflare.com	108.162.193.236 172.64.33.236 173.245.59.236 2606:4700:58::adf5:3bec 2803:f800:50::6ca2:c1ec 2a06:98c1:50::ac40:21ec	terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.43.93	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.177.151	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 62ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:2b5d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:b197	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 37ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.43.93,172.67.177.151 ech=AEX+DQBBmgAgACCqboMHCILz8lT61n8+ZRMrw0bEopM1UtojJSpzNByoagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2b5d,2606:4700:3036::ac43:b197

📝 TXT Records1 records 137ms

TXT Record
v=spf1 include:gigahost.dk -all

✉️ SPF

Policy	Record (code-fu.dk)
-all (hard fail)	v=spf1 include:gigahost.dk -all

📨 DMARC

Policy	Record (_dmarc.code-fu.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:2095d6e5@mxtoolbox.dmarc-report.com; ruf=mailto:2095d6e5@forensics.dmarc-report.com; sp=none; fo=1:d:s; pct=100

📬 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)

🔐 DNSSEC124ms

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

🏷️ SOA65ms

Field	Value
Serial	2407497300
Primary NS (MNAME)	dawn.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

75ms

A

37ms

MX

48ms

AAAA

62ms

TXT

137ms

CAA

37ms

HTTPS

37ms

TLSA

55ms

SOA

65ms

MTA-STS

63ms

DNSSEC

124ms

SRV

71ms

Total

1233ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:31:31	780ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-09 11:24:19	8887ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-30 18:33:51	2730ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-17 12:29:00	949ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-15 04:39:29	16582ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-27 00:33:46	1233ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-23 05:05:42	918ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 06:00:08	1199ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-16 21:49:57	405ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-16 21:40:33	442ms	2 NS 2 A 0 MX	🔒 Secure	View