simts.dk DNS records

🖥️ Nameservers2 records 54ms

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 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
83.92.225.200	43200s	—	AS3292	TDC Holding A/S	83.92.0.0/16	🇩🇰 Denmark	—

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	simts-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::9 2a01:111:f403:ca04::e 2a01:111:f403:ca48::a 52.101.68.25 52.101.68.39 52.101.73.2 52.101.73.28	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.24
🔶 Autoconfig	91.133.33.3

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 247ms

TXT Record
MS=ms11369857
v=spf1 ip4:85.184.161.35 include:spfa.cpmails.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (simts.dk)
-all (hard fail)	v=spf1 ip4:85.184.161.35 include:spfa.cpmails.com include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.simts.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:watchdog@labtech.dk; fo=1

📬 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)

🔐 DNSSEC104ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082501
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

54ms

A

57ms

MX

45ms

AAAA

52ms

TXT

247ms

CAA

51ms

HTTPS

59ms

TLSA

327ms

SOA

0ms

MTA-STS

78ms

DNSSEC

104ms

SRV

89ms

Total

993ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 00:01:11	993ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 12:36:01	7554ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 00:20:04	1158ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 13:01:49	790ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 12:49:28	835ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 09:04:05	1222ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 17:35:50	1004ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 07:01:05	1274ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 04:52:41	1979ms	2 NS 1 A 1 MX	🔒 Secure	View