mathk.dk DNS records

🖥️ Nameservers2 records 195ms

Nameserver	IP addresses	PTR	ASN / ISP
kami.ns.cloudflare.com	108.162.192.177 172.64.32.177 173.245.58.177 2606:4700:50::adf5:3ab1 2803:f800:50::6ca2:c0b1 2a06:98c1:50::ac40:20b1	kami.ns.cloudflare.com kami.ns.cloudflare.com kami.ns.cloudflare.com kami.ns.cloudflare.com kami.ns.cloudflare.com kami.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sid.ns.cloudflare.com	108.162.193.143 172.64.33.143 173.245.59.143 2606:4700:58::adf5:3b8f 2803:f800:50::6ca2:c18f 2a06:98c1:50::ac40:218f	sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 313ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.43.18	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.215.218	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 293ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	18000s	mx1.hostinger.com	172.65.182.103 2606:4700:90:0:c1f8:f874:2386:b61f	— —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
10	18000s	mx2.hostinger.com	172.65.182.103 2606:4700:90:0:c1f8:f874:2386:b61f	— —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.mail.hostinger.com → 34.120.251.119
🔶 Autoconfig	autoconfig.mail.hostinger.com → 34.120.251.119

🔷 AAAA Records (IPv6)2 records 304ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:d7da	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:2b12	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 298ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.43.18,172.67.215.218 ech=AEX+DQBBlQAgACBpTotRHpxkJstF/b5D6hL30QT/6ytTenxmO1GkKeQ+UgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d7da,2606:4700:3037::6815:2b12

📝 TXT Records1 records 557ms

TXT Record
v=spf1 include:_spf.mail.hostinger.com ~all

✉️ SPF

Policy	Record (mathk.dk)
~all (soft fail)	v=spf1 include:_spf.mail.hostinger.com ~all

📨 DMARC

Policy	Record (_dmarc.mathk.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)

🔐 DNSSEC337ms

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	2410841218
Primary NS (MNAME)	kami.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

195ms

A

313ms

MX

293ms

AAAA

304ms

TXT

557ms

CAA

212ms

HTTPS

298ms

TLSA

268ms

SOA

0ms

MTA-STS

318ms

DNSSEC

337ms

SRV

343ms

Total

2468ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-15 17:56:24	4457ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-09 03:06:22	1264ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-05 23:13:43	1643ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-04 11:42:25	2468ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-27 19:02:13	1106ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-24 18:15:48	1136ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 15:20:34	3121ms	2 NS 2 A 2 MX	🔓 Insecure	View