simsen.dk DNS records

🖥️ Nameservers2 records 29ms

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 23ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	simsen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::8 2a01:111:f403:ca04::c 2a01:111:f403:ca09::7 52.101.103.143 52.101.68.21 52.101.73.153 52.101.73.155	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr02cu00203.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 Records4 records 108ms

TXT Record
apple-domain-verification=svrfRf8u6CNcXG6s
MS=ms81449443
openai-domain-verification=dv-BV6MUBRSnpdkWofVWLhBIxl6
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (simsen.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.simsen.dk	CbufWvcgwJ_0u6NsiKtNpAHAdm2AN9MaXTdQ9cCxxE0

🔗 TLSA / DANE

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

🔐 DNSSEC98ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082801
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

29ms

A

23ms

MX

28ms

AAAA

22ms

TXT

108ms

CAA

23ms

HTTPS

23ms

TLSA

871ms

SOA

0ms

MTA-STS

36ms

DNSSEC

98ms

SRV

32ms

Total

1337ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 15:43:57	1337ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 11:28:38	967ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 23:26:21	3202ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 16:34:19	3755ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 05:00:58	2410ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 21:43:11	1353ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 09:16:30	9283ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 02:06:13	1127ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 11:43:21	712ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 20:46:02	929ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 06:44:50	1417ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 22:35:57	968ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 16:31:55	1315ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 01:06:36	779ms	2 NS 1 A 1 MX	🔒 Secure	View