mattutor.dk DNS records

🖥️ Nameservers2 records 256ms

Nameserver	IP addresses	PTR	ASN / ISP
jill.ns.cloudflare.com	108.162.192.122 172.64.32.122 173.245.58.122 2606:4700:50::adf5:3a7a 2803:f800:50::6ca2:c07a 2a06:98c1:50::ac40:207a	jill.ns.cloudflare.com jill.ns.cloudflare.com jill.ns.cloudflare.com jill.ns.cloudflare.com jill.ns.cloudflare.com jill.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nero.ns.cloudflare.com	108.162.195.28 162.159.44.28 172.64.35.28 2606:4700:58::a29f:2c1c 2803:f800:50::6ca2:c31c 2a06:98c1:50::ac40:231c	nero.ns.cloudflare.com nero.ns.cloudflare.com nero.ns.cloudflare.com nero.ns.cloudflare.com nero.ns.cloudflare.com nero.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 168ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.67.218	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.181.102	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 172ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)2 records 211ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::ac43:b566	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:43da	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 259ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.67.218,172.67.181.102 ech=AEX+DQBBhgAgACAKScuKNbC1kIlkGjGDfK31Qwa5FX86qXqXNLGYAWEzZgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:b566,2606:4700:3037::6815:43da

📝 TXT Records1 records 1006ms

TXT Record
v=spf1 include:_spf.tem.scaleway.com -all

✉️ SPF

Policy	Record (mattutor.dk)
-all (hard fail)	v=spf1 include:_spf.tem.scaleway.com -all

📨 DMARC

Policy	Record (_dmarc.mattutor.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC725ms

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	2412552979
Primary NS (MNAME)	jill.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

256ms

A

168ms

MX

172ms

AAAA

211ms

TXT

1006ms

CAA

280ms

HTTPS

259ms

TLSA

315ms

SOA

0ms

MTA-STS

408ms

DNSSEC

725ms

SRV

356ms

Total

6763ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 14:11:39	6763ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-24 12:04:35	8974ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-27 18:34:36	936ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 05:20:39	802ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 03:07:44	774ms	2 NS 2 A 0 MX	🔓 Insecure	View