bestaamatematik.dk DNS records

🖥️ Nameservers2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
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.
ram.ns.cloudflare.com	108.162.193.225 172.64.33.225 173.245.59.225 2606:4700:58::adf5:3be1 2803:f800:50::6ca2:c1e1 2a06:98c1:50::ac40:21e1	ram.ns.cloudflare.com ram.ns.cloudflare.com ram.ns.cloudflare.com ram.ns.cloudflare.com ram.ns.cloudflare.com ram.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.11.207	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.192.162	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::ac43:c0a2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:bcf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.11.207,172.67.192.162 ech=AEX+DQBBRgAgACDgaNOvAMvElhFmdVdE2XGFNVk0aUo60AWhRKS1DACgUAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:c0a2,2606:4700:3037::6815:bcf

📝 TXT Records1 records 189ms

TXT Record
google-site-verification=WTb3dclrTfpBulq_AqNGhAuGE9hZi1eQi3SwaYemz9E

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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)

🔐 DNSSEC79ms

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	2412561938
Primary NS (MNAME)	fay.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

43ms

A

43ms

MX

55ms

AAAA

46ms

TXT

189ms

CAA

38ms

HTTPS

45ms

TLSA

62ms

SOA

0ms

MTA-STS

68ms

DNSSEC

79ms

SRV

65ms

Total

550ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 20:26:53	550ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-19 03:44:22	6709ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-11 20:49:21	1682ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-10 14:00:06	10096ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-08-09 12:06:48	760ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-03 00:00:09	934ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-29 15:02:57	9746ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-27 21:08:11	699ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-26 20:33:47	667ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-25 20:26:27	8717ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-24 19:55:53	862ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-23 18:34:10	8619ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-22 15:22:01	771ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-21 10:23:20	685ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-20 05:46:49	667ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-18 21:45:15	630ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-17 21:18:21	1303ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-16 12:30:17	723ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-14 06:52:41	16617ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-12 01:40:29	737ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-09 23:13:26	2657ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-08 14:31:44	16589ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-06 10:40:06	899ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-05 08:20:33	2323ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-04 08:18:39	1189ms	1 NS 0 A 0 MX	❓ Unknown	View