natholdet.dk DNS records

🖥️ Nameservers2 records 32ms

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 24ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.180.83.68	3600s	smtp.syscom.dk	AS3292	TDC Holding A/S	188.176.0.0/13	🇩🇰 Denmark	Frederiksberg

📧 MX Records1 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	natholdet-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::c 2a01:111:f403:ca09::24 2a01:111:f403:ca09::b 52.101.103.39 52.101.185.114 52.101.68.39 52.101.73.153	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 98ms

TXT Record
MS=ms66226189
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

🔗 TLSA / DANE

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

🔐 DNSSEC93ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090201
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

32ms

A

24ms

MX

24ms

AAAA

30ms

TXT

98ms

CAA

23ms

HTTPS

31ms

TLSA

297ms

SOA

0ms

MTA-STS

35ms

DNSSEC

93ms

SRV

46ms

Total

722ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 16:42:52	722ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 01:42:19	724ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 12:57:45	10305ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 14:45:54	1129ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 09:26:19	2607ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 03:11:42	994ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 10:10:42	1481ms	2 NS 1 A 1 MX	⚠️ Bogus	View