mt-sec.dk

📜 Historical scan 2026-06-17 14:40:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mt-sec.dk is a .dk domain served by 2 nameservers (pdns03.domaincontrol.com, pdns04.domaincontrol.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 15.197.148.33 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mtsec-dk0e.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 94ms

Nameserver	IP addresses	PTR	ASN / ISP
pdns03.domaincontrol.com	2603:5:21f0::33 97.74.111.51	pdns03.domaincontrol.com pdns03.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH
pdns04.domaincontrol.com	173.201.79.51 2603:5:22f0::33	pdns04.domaincontrol.com pdns04.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH

🌍 A Records#

2 records 93ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
15.197.148.33	—	a2aa9ff50de748dbe.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	15.196.0.0/14	🇺🇸 United States	—
3.33.130.190	—	a2aa9ff50de748dbe.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	3.33.128.0/17	🇺🇸 United States	—

📧 MX Records#

1 records 90ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	mtsec-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::e 2a01:111:f403:ca09::20 2a01:111:f403:ca09::b 52.101.68.15 52.101.68.27 52.101.68.3 52.101.73.30	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00403.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 320ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.mt-sec.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:mt@mtsec.dk; ruf=mailto:mt@mtsec.dk; sp=reject

📬 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 2026-10-08 15:26:55

www CNAME	mt-sec.dk (all on mt-sec.dk) → 15.197.148.33 3.33.130.190 (AS16509)
www vs bare domain	Same network mt-sec.dk: 15.197.148.33 3.33.130.190 (AS16509) www.mt-sec.dk: 15.197.148.33 3.33.130.190 (AS16509)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-mtsec-dk0e._domainkey.mtsec.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-mtsec-dk0e._domainkey.mtsec.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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

265ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

92ms

Field	Value
Serial	2023091800
Primary NS (MNAME)	pdns03.domaincontrol.com
Responsible (RNAME)	dns@jomax.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

94ms

93ms

90ms

AAAA

106ms

TXT

320ms

CAA

96ms

HTTPS

84ms

TLSA

334ms

SOA

92ms

MTA-STS

79ms

DNSSEC

265ms

SRV

0ms

Total

1706ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 15:26:55	662ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 05:08:49	963ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 14:40:33 shown	1706ms	2 NS 2 A 1 MX	🔓 Insecure