operaaarhus.dk DNS records

🖥️ Nameservers2 records 78ms

Nameserver	IP addresses	PTR	ASN / ISP
kevin.ns.cloudflare.com	108.162.193.191 172.64.33.191 173.245.59.191 2606:4700:58::adf5:3bbf 2803:f800:50::6ca2:c1bf 2a06:98c1:50::ac40:21bf	kevin.ns.cloudflare.com kevin.ns.cloudflare.com kevin.ns.cloudflare.com kevin.ns.cloudflare.com kevin.ns.cloudflare.com kevin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
marjory.ns.cloudflare.com	108.162.192.193 172.64.32.193 173.245.58.193 2606:4700:50::adf5:3ac1 2803:f800:50::6ca2:c0c1 2a06:98c1:50::ac40:20c1	marjory.ns.cloudflare.com marjory.ns.cloudflare.com marjory.ns.cloudflare.com marjory.ns.cloudflare.com marjory.ns.cloudflare.com marjory.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 85ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.236	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.208.159	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 77ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.operaaarhus.dk	—	—	—

🔷 AAAA Records (IPv6)2 records 64ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:fec	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:d09f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 77ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.236,172.67.208.159 ech=AEX+DQBBQAAgACBTHNnTIv16k7foA/Epb5m3uBW1Qcvbr6fkl+BmMwsaPAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:fec,2606:4700:3037::ac43:d09f

📝 TXT Records1 records 274ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (operaaarhus.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.operaaarhus.dk)
p=reject	v=DMARC1; p=reject; pct=100

📬 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)

🔐 DNSSEC189ms

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	2412663549
Primary NS (MNAME)	kevin.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

78ms

A

85ms

MX

77ms

AAAA

64ms

TXT

274ms

CAA

79ms

HTTPS

77ms

TLSA

146ms

SOA

0ms

MTA-STS

90ms

DNSSEC

189ms

SRV

154ms

Total

1611ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 17:16:54	1611ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-06 05:46:48	1183ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 22:25:18	917ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 21:50:41	1054ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 20:15:44	1020ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 22:06:32	904ms	2 NS 2 A 1 MX	🔓 Insecure	View