simts.dk

📜 Historical scan 2026-08-22 12:36:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

simts.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.92.225.200 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by simts-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 19ms

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 Records#

1 records 6ms

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 Records#

1 records 6ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	simts-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca09::20 2a01:111:f403:ca09::6 52.101.68.21 52.101.68.27 52.101.73.19 52.101.73.2	mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr07cu00302.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 92ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 03:26:13

www	91.133.33.3 (AS196976) (address records, no CNAME)
www vs bare domain	Different networks simts.dk: 83.92.225.200 (AS3292) www.simts.dk: 91.133.33.3 (AS196976) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-simts-dk._domainkey.simonsentmrerogsnedkeras.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

149ms

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

Key type	Algorithm	Public key
KSK	ECDSA P-256/SHA-256	cCgx9WgGYgFhKBDUExGXd8zPZSB45SCR6Pv9EOt7…
ZSK	ECDSA P-256/SHA-256	FnKlaNYcE57frrnWtDIzw+llcz1QqwKim1aqk65O…

🏷️ SOA#

25ms

Field	Value
Serial	2026072501
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

19ms

6ms

AAAA

19ms

TXT

92ms

CAA

6ms

HTTPS

56ms

TLSA

1347ms

SOA

25ms

MTA-STS

13ms

DNSSEC

149ms

SRV

0ms

Total

7554ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 17:22:15	2125ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 16:35:26	932ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 02:08:32	812ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 03:47:59	1482ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 00:01:11	993ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-22 12:36:01 shown	7554ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-26 00:20:04	1158ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 13:01:49	790ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 12:49:28	835ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 09:04:05	1222ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 17:35:50	1004ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 07:01:05	1274ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 04:52:41	1979ms	2 NS 1 A 1 MX	🔒 Secure