operabio.dk DNS records

🖥️ Nameservers2 records 111ms

Nameserver	IP addresses	PTR	ASN / ISP
brenda.ns.cloudflare.com	108.162.192.77 172.64.32.77 173.245.58.77 2606:4700:50::adf5:3a4d 2803:f800:50::6ca2:c04d 2a06:98c1:50::ac40:204d	brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
everton.ns.cloudflare.com	108.162.195.201 162.159.44.201 172.64.35.201 2606:4700:58::a29f:2cc9 2803:f800:50::6ca2:c3c9 2a06:98c1:50::ac40:23c9	everton.ns.cloudflare.com everton.ns.cloudflare.com everton.ns.cloudflare.com everton.ns.cloudflare.com everton.ns.cloudflare.com everton.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 121ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.30.223	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.173.226	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 120ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:ade2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:1edf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 129ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.30.223,172.67.173.226 ech=AEX+DQBB5gAgACCJei01RKwHlcPsoqBzSP1UtUZGDaXvIOEKb0W8JOxqVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ade2,2606:4700:3037::6815:1edf

📝 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)

🔐 DNSSEC191ms

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	2407698316
Primary NS (MNAME)	brenda.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

111ms

A

121ms

MX

144ms

AAAA

120ms

TXT

234ms

CAA

130ms

HTTPS

129ms

TLSA

433ms

SOA

0ms

MTA-STS

121ms

DNSSEC

191ms

SRV

132ms

Total

1496ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 00:30:53	515ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-03 15:43:23	1217ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-29 19:32:02	1222ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 08:48:59	881ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 10:53:58	1640ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 07:11:35	1615ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 15:55:49	1496ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 23:19:55	3821ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 07:56:44	1328ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 14:05:09	4599ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 15:12:03	1148ms	4 NS 1 A 1 MX	❓ Unknown	View