geerthansen.dk DNS records

🖥️ Nameservers2 records 223ms

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 231ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.175	3600s	vm1484.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 255ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	geerthansen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::e 2a01:111:f403:ca09::6 2a01:111:f403:ca09::b 52.101.68.12 52.101.68.15 52.101.68.32 52.101.73.19	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as8pr04cu00803.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

🔌 SRV Records1 records 239ms

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

📝 TXT Records2 records 568ms

TXT Record
MS=ms48513776
v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com -all

✉️ SPF

Policy	Record (geerthansen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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.geerthansen.dk	geerthansen.dk.kinstavalidation.app

🔗 TLSA / DANE

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

🔐 DNSSEC383ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081201
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

223ms

A

231ms

MX

255ms

AAAA

230ms

TXT

568ms

CAA

212ms

HTTPS

229ms

TLSA

1092ms

SOA

0ms

MTA-STS

282ms

DNSSEC

383ms

SRV

239ms

Total

4760ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-13 06:36:31	4760ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 02:00:47	812ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:27:44	708ms	2 NS 1 A 1 MX	🔒 Secure	View