gsu.dk DNS records

🖥️ Nameservers2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
betty.ns.cloudflare.com	108.162.192.75 172.64.32.75 173.245.58.75 2606:4700:50::adf5:3a4b 2803:f800:50::6ca2:c04b 2a06:98c1:50::ac40:204b	betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
gordon.ns.cloudflare.com	108.162.193.170 172.64.33.170 173.245.59.170 2606:4700:58::adf5:3baa 2803:f800:50::6ca2:c1aa 2a06:98c1:50::ac40:21aa	gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.81.204	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.164.75	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:51cc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:a44b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 41ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.81.204,172.67.164.75 ech=AEX+DQBBWQAgACAs3d9bkcyi5VXq5U3S0CM4pGNItk+uvHTwIMOb/r4sLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:51cc,2606:4700:3035::ac43:a44b

📝 TXT Records

📝

No TXT records found

✉️ 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)

🔐 DNSSEC80ms

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	2410836131
Primary NS (MNAME)	betty.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

55ms

A

49ms

MX

46ms

AAAA

52ms

TXT

201ms

CAA

48ms

HTTPS

41ms

TLSA

61ms

SOA

0ms

MTA-STS

70ms

DNSSEC

80ms

SRV

65ms

Total

1161ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 12:23:18	1161ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 10:42:27	841ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-26 20:55:35	616ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-06 05:43:42	886ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-21 00:43:23	840ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-02 10:35:06	2133ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-26 19:25:52	736ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-23 03:44:13	3292ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-21 06:03:02	1150ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 10:08:02	5091ms	2 NS 2 A 0 MX	⚠️ Bogus	View