birkeholdt.dk DNS records

🖥️ Nameservers2 records 29ms

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 Records1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
168.63.63.30	3600s	—	AS8075	Microsoft Corporation	168.62.0.0/15	🇮🇪 Ireland	Dublin

📧 MX Records1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	birkeholdt-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::f 2a01:111:f403:ca09::3 2a01:111:f403:ca09::b 52.101.68.5 52.101.73.153 52.101.73.24 52.101.73.4	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am0pr83cu00404.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
🔶 Autoconfig	168.63.63.30

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 63ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 128ms

TXT Record
MS=ms76775313
v=spf1 include:spf.curanet.dk include:spf.protection.outlook.com a:mail10.curanet.dk a:filter3.mail.cyso.net a:filter4.mail.cyso.net -all

✉️ SPF

Policy	Record (birkeholdt.dk)
-all (hard fail)	v=spf1 include:spf.curanet.dk include:spf.protection.outlook.com a:mail10.curanet.dk a:filter3.mail.cyso.net a:filter4.mail.cyso.net -all

📨 DMARC

Policy	Record (_dmarc.birkeholdt.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:kim@birkeholdt.dk; ruf=mailto:kim@birkeholdt.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

🔗 TLSA / DANE

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

🔐 DNSSEC2045ms

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

🏷️ SOA0ms

Field	Value
Serial	2026072001
Primary NS (MNAME)	ns1.123hotel.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

29ms

A

29ms

MX

27ms

AAAA

29ms

TXT

128ms

CAA

26ms

HTTPS

17ms

TLSA

315ms

SOA

0ms

MTA-STS

37ms

DNSSEC

2045ms

SRV

63ms

Total

3134ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-20 14:42:35	3134ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 10:38:44	1372ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 06:06:44	801ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-24 06:24:57	760ms	2 NS 1 A 3 MX	⚠️ Bogus	View
2026-06-20 22:30:41	805ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-20 17:05:59	1039ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 22:57:10	2589ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 14:47:54	863ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 14:40:39	757ms	2 NS 1 A 3 MX	🔒 Secure	View