danishnationalopera.dk

Records from scan: 2026-10-09 13:07:28 · 706ms total · last checked 2026-10-17 10:13 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

danishnationalopera.dk is a .dk domain served by 2 nameservers (kevin.ns.cloudflare.com, marjory.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.13.239 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.danishnationalopera.dk, backup-mx.zitcom.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 42ms

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 Records#

2 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.13.239	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.133.122	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.danishnationalopera.dk	—	—	—
20	300s	backup-mx.zitcom.dk	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:def	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:857a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 28ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.13.239,172.67.133.122 ech=AEX+DQBBiAAgACDiCwefp2qlCZI1528quffFxIGgo3TJG1z79gXnmyfYGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:def,2606:4700:3035::ac43:857a

📝 TXT Records#

1 records 171ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.danishnationalopera.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

🧩 Web & zone#

checked 2026-10-09 13:07:28

www	104.21.13.239 172.67.133.122 2606:4700:3030::6815:def 2606:4700:3035::ac43:857a (AS13335) (address records, no CNAME)
www vs bare domain	Same network danishnationalopera.dk: 104.21.13.239 172.67.133.122 2606:4700:3030::6815:def 2606:4700:3035::ac43:857a (AS13335) www.danishnationalopera.dk: 104.21.13.239 172.67.133.122 2606:4700:3030::6815:def 2606:4700:3035::ac43:857a (AS13335)
Wildcard	No

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

55ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

30ms

Field	Value
Serial	2416277550
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

42ms

39ms

40ms

AAAA

40ms

TXT

171ms

CAA

27ms

HTTPS

28ms

TLSA

85ms

SOA

30ms

MTA-STS

54ms

DNSSEC

55ms

SRV

52ms

Total

706ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:07:28 shown	706ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-01 02:48:12	1037ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-01 10:08:34	851ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-27 18:18:08	821ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-21 19:22:04	3367ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-02 13:37:34	1171ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-26 18:09:10	1033ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-22 04:01:22	1383ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-21 20:08:30	1168ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 00:11:25	744ms	2 NS 2 A 2 MX	🔓 Insecure