aalborgopera.dk

📜 Historical scan 2026-07-02 00:09:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aalborgopera.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 16 February 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.104.202.246 is hosted by It Forum Gruppen A/s (AS50346) in Denmark. Mail is handled by aalborgopera-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 27ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.104.202.246	60s	—	AS50346	It Forum Gruppen A/s	193.104.202.0/24	🇩🇰 Denmark	Virum

📧 MX Records#

1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	900s	aalborgopera-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::a 2a01:111:f403:ca09:: 2a01:111:f403:ca09::3 52.101.68.21 52.101.68.29 52.101.73.153 52.101.73.6	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 208ms

TXT Record
MS=ms99939207
v=spf1 a ip4:78.157.101.234/29 include:spf.curanet.dk include:spf.itsecurity.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (aalborgopera.dk)
-all (hard fail)	v=spf1 a ip4:78.157.101.234/29 include:spf.curanet.dk include:spf.itsecurity.dk include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.aalborgopera.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@itsit.dk

📬 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#

latest probe, not this scan · checked 2026-10-09 09:35:35

www	193.104.202.246 (AS50346) (address records, no CNAME)
www vs bare domain	Same network aalborgopera.dk: 193.104.202.246 (AS50346) www.aalborgopera.dk: 193.104.202.246 (AS50346)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.aalborgopera.dk	81f2ef2f-2ac0-4477-9c1a-cc22810f186c.auth.acme-dns.io
TXT	81f2ef2f-2ac0-4477-9c1a-cc22810f186c.auth.acme-dns.io	5wIgEdrmyp-tgbM0rqDRAaS-hDLbNj2erU1_OSuS73Q
TXT	81f2ef2f-2ac0-4477-9c1a-cc22810f186c.auth.acme-dns.io	hbsNo7W7olT5nKwZWkJwc8MTL3U-OspnnZBWe7S9AtU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

55ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

27ms

Field	Value
Serial	2025120501
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 11:12:14

Field	Value
Registrar	CURANET A/S
Registered	2017-02-16
Expires	2027-02-28 (133d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
aalborgoperafestival.dk	CURANET A/S
mhus.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

27ms

39ms

27ms

AAAA

30ms

TXT

208ms

CAA

26ms

HTTPS

27ms

TLSA

507ms

SOA

27ms

MTA-STS

38ms

DNSSEC

55ms

SRV

30ms

Total

1165ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 09:35:35	2233ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 06:10:18	1040ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 17:57:37	700ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 10:16:28	849ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:09:13 shown	1165ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:37:01	834ms	2 NS 1 A 1 MX	🔒 Secure