øbtu.dk DNS records

🖥️ Nameservers2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
elma.ns.cloudflare.com	108.162.192.154 172.64.32.154 173.245.58.154 2606:4700:50::adf5:3a9a 2803:f800:50::6ca2:c09a 2a06:98c1:50::ac40:209a	elma.ns.cloudflare.com elma.ns.cloudflare.com elma.ns.cloudflare.com elma.ns.cloudflare.com elma.ns.cloudflare.com elma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
eugene.ns.cloudflare.com	108.162.195.72 162.159.44.72 172.64.35.72 2606:4700:58::a29f:2c48 2803:f800:50::6ca2:c348 2a06:98c1:50::ac40:2348	eugene.ns.cloudflare.com eugene.ns.cloudflare.com eugene.ns.cloudflare.com eugene.ns.cloudflare.com eugene.ns.cloudflare.com eugene.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.36.108	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.192.149	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:246c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:c095	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 64ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.36.108,172.67.192.149 ech=AEX+DQBBzwAgACBs9iAdQ+BgMrTqSy5J7RhiSF7hZCc4sEnGxxiXoa1SeAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:246c,2606:4700:3034::ac43:c095

📝 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)

🔐 DNSSEC104ms

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	2413672503
Primary NS (MNAME)	elma.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

52ms

A

47ms

MX

48ms

AAAA

51ms

TXT

262ms

CAA

53ms

HTTPS

64ms

TLSA

102ms

SOA

0ms

MTA-STS

66ms

DNSSEC

104ms

SRV

70ms

Total

743ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 23:18:04	743ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-25 12:53:36	9493ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-04 15:24:55	821ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-28 19:50:49	1137ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 22:00:41	1615ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-06-26 15:43:25	891ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 17:12:00	4768ms	4 NS 1 A 1 MX	❓ Unknown	View
2026-06-22 13:10:19	336ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 19:30:21	1066ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 17:17:31	733ms	4 NS 1 A 1 MX	🔒 Secure	View