buhlmann.dk DNS records

🖥️ Nameservers2 records 24ms

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 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.76.21.34	3600s	cloudhost-11803623.nl-west-1.nxcli.net	AS202521	Liquid Web B.V.	87.76.21.0/24	🇺🇸 United States	—

📧 MX Records3 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	scanner01.resennet.dk	193.32.65.29	scanner01.resennet.dk	AS3292 TDC Holding A/S
20	3600s	scanner02.resennet.dk	193.32.65.29	scanner01.resennet.dk	AS3292 TDC Holding A/S
30	3600s	scanner03.resennet.dk	193.32.65.29	scanner01.resennet.dk	AS3292 TDC Holding A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	87.76.21.34

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 32ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 97ms

TXT Record
google-site-verification=90SlXQNWVTq8KV3g0QH_vCrIyB6Gayj-yU9MDMCNWFA
v=spf1 include:spf.curanet.dk include:mail.zendesk.com include:spf.protection.outlook.com ip4:94.231.106.116 include:_spf.resennet.dk include:mail.techosting.dk include:spf.tigermedia.eu include:spf.eu.signature365.net ip4:3.78.148.39 -all

✉️ SPF

Policy	Record (buhlmann.dk)
-all (hard fail)	v=spf1 include:spf.curanet.dk include:mail.zendesk.com include:spf.protection.outlook.com ip4:94.231.106.116 include:_spf.resennet.dk include:mail.techosting.dk include:spf.tigermedia.eu include:spf.eu.signature365.net ip4:3.78.148.39 -all

📨 DMARC

Policy	Record (_dmarc.buhlmann.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC100ms

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

🏷️ SOA0ms

Field	Value
Serial	2026072402
Primary NS (MNAME)	ns1.curanet.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

24ms

A

27ms

MX

29ms

AAAA

24ms

TXT

97ms

CAA

25ms

HTTPS

24ms

TLSA

777ms

SOA

0ms

MTA-STS

40ms

DNSSEC

100ms

SRV

32ms

Total

1442ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 23:09:01	1442ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-27 20:51:24	494ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-24 13:42:16	1293ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-26 17:58:02	2212ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-19 23:47:58	1192ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 17:44:40	1477ms	2 NS 1 A 3 MX	⚠️ Bogus	View
2026-06-16 17:41:09	1119ms	2 NS 1 A 3 MX	🔒 Secure	View