gulvkluden.dk DNS records

🖥️ Nameservers2 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.142	3600s	linux18.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	gulvkluden-dk.mail.protection.outlook.com	2a01:111:f403:ca09::6 2a01:111:f403:ca09::c 2a01:111:f403:ca09::d 2a01:111:f403:ca48::8 52.101.73.1 52.101.73.15 52.101.73.2 52.101.73.30	mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr07cu00302.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 162ms

TXT Record
MS=ms72353900
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (gulvkluden.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.gulvkluden.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	2026081601
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

53ms

A

55ms

MX

51ms

AAAA

49ms

TXT

162ms

CAA

43ms

HTTPS

39ms

TLSA

312ms

SOA

0ms

MTA-STS

88ms

DNSSEC

100ms

SRV

73ms

Total

903ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 15:00:41	903ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 02:25:58	2998ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 17:13:56	5894ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 07:34:14	1036ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 22:03:56	930ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:13:59	2472ms	2 NS 1 A 1 MX	🔒 Secure	View