gunderslevholm.dk DNS records

🖥️ Nameservers2 records 45ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.186	3600s	linux21.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	gunderslevholm-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca09::3 2a01:111:f403:ca09::b 2a01:111:f403:ca48::a 52.101.103.140 52.101.68.29 52.101.68.32 52.101.73.30	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.40
🔶 Autoconfig	185.21.41.186

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 191ms

TXT Record
v=spf1 include:lkgjk47ygz.powerspf.com -all

✉️ SPF

Policy	Record (gunderslevholm.dk)
-all (hard fail)	v=spf1 include:lkgjk47ygz.powerspf.com -all

📨 DMARC

Policy	Record (_dmarc.gunderslevholm.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=none; rua=mailto:9u4am8j83a@rua.powerdmarc.com; ruf=mailto:9u4am8j83a@ruf.powerdmarc.com; fo=1; t=n;

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.gunderslevholm.dk	gunderslevholm.dk.acme.service.one.com

🔗 TLSA / DANE

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

🔐 DNSSEC75ms

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

🏷️ SOA0ms

Field	Value
Serial	2026031901
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

45ms

A

41ms

MX

40ms

AAAA

48ms

TXT

191ms

CAA

38ms

HTTPS

40ms

TLSA

239ms

SOA

0ms

MTA-STS

68ms

DNSSEC

75ms

SRV

61ms

Total

763ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 05:30:14	763ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 00:06:42	1006ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 03:38:56	1088ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 11:15:01	1071ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:57:47	2593ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:51:51	1196ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:48:54	2492ms	2 NS 1 A 1 MX	🔒 Secure	View