mtsn.dk

📜 Historical scan 2026-07-21 11:35:15  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mtsn.dk is a .dk domain served by 3 nameservers (a.ns.mtsn.dk, b.ns.mtsn.dk, c.ns.mtsn.dk). It was registered on 18 March 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.80.231.24 is hosted by Telenor A/S (AS9158) in Denmark. Mail is handled by mx.mtsn.dk. 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#

3 records   153ms
NameserverIP addressesPTRASN / ISP
a.ns.mtsn.dk 195.242.131.6
2001:67c:564:ffff::11		 ns1.dns.services
ns1.dns.services		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
b.ns.mtsn.dk 2a00:1b18:2:3:3::2
62.69.152.37		 ns2.dns.services
ns2.dns.services		 AS47527 DLX A/S
AS47527 DLX A/S
c.ns.mtsn.dk 185.55.197.53 ns3.dns.services AS60153 Inpadi ApS

🌍 A Records#

1 records   83ms
IPTTLPTRASNISP / OrgCIDRCountryCity
85.80.231.24 60s — AS9158 Telenor A/S 85.80.0.0/14 🇩🇰 Denmark Hedehusene

📧 MX Records#

1 records   67ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mx.mtsn.dk 192.121.119.144
2001:67c:bec:b:10ca:52ff:fe2a:714b		 mx.mtsn.dk
mx.mtsn.dk		 AS199545 Stacket Group ApS
AS199545 Stacket Group ApS

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovermail.mtsn.dk → 85.80.231.24
🔶 Autoconfigmail.mtsn.dk → 85.80.231.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records   308ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 mail.mtsn.dk
_imaps._tcp 0 1 993 mail.mtsn.dk

📝 TXT Records#

2 records   1790ms
TXT Record
google-site-verification=8h-6ekbG9toW8gCG5itiqlxMT0YRVBS8QW8VGoHmNpw
v=spf1 include:_spf.mtsn.dk ~all

✉️ SPF#

PolicyRecord (mtsn.dk)
~all (soft fail) v=spf1 include:_spf.mtsn.dk ~all

📨 DMARC#

PolicyRecord (_dmarc.mtsn.dk)
p=reject v=DMARC1; p=reject; aspf=r; adkim=r; fo=1; rua=mailto:d5a2cea5@in.mailhardener.com,mailto:x9eqltmm@ag.dmarcian.com; ruf=mailto:d5a2cea5@in.mailhardener.com,mailto:x9eqltmm@fr.dmarcian.com

📬 MTA-STS#

390ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID20220101000000Z
max_age604800s
Policy MXmx.mtsn.dk

📈 TLSRPT#

StatusReport address (rua)
✓ Enabled mailto:d5a2cea5@in.mailhardener.com, mailto:x9eqltmm@tls.us.dmarcian.com

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 12:57:21
www CNAMEannasvej.mtsn.dk (all on mtsn.dk)
www vs bare domainSame network
mtsn.dk: 86.52.51.145 (AS39642)
www.mtsn.dk: 86.52.51.145 (AS39642)
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — RSA · ~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: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.mtsn.dk W8jzF7f-OjXFXFNLcO2mAIXZfNxM0Bix-6o5WI3bk2s
TXT _acme-challenge.mtsn.dk Xr3ByqeV3CU2sfnuUnLatMjiQ3VxTwmD_Hu_Qbt1R3g

🔗 TLSA / DANE#

1 records   88ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.mtsn.dk DANE-EE · SPKI · SHA-256 249FA941E415A4959B607A0EDD937458…

🔐 DNSSEC#

137ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026070108
Primary NS (MNAME)ns1.dns.services
Responsible (RNAME)post@dns.services
Refresh10800s
Retry3600s
Expire1814400s
Minimum (neg-cache TTL)7200s

📋 Registration#

WHOIS fetched 2026-10-10 13:38:15
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2018-03-18
Expires2029-07-31 (1014d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
153ms
A
83ms
MX
67ms
AAAA
152ms
TXT
1790ms
CAA
68ms
HTTPS
76ms
TLSA
88ms
SOA
0ms
MTA-STS
390ms
DNSSEC
137ms
SRV
308ms
Total
2989ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-10 12:57:21 4733ms 5 NS 1 A 1 MX 🔒 Secure
2026-10-03 04:44:01 2760ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-02 04:41:09 927ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-30 04:18:37 833ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-25 02:38:30 840ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-20 10:17:52 3723ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-06 08:25:03 6457ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-04 09:17:49 3908ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-30 11:36:22 2414ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-29 06:54:37 2975ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-20 21:20:15 4893ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-16 08:26:54 16840ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-11 02:59:29 9200ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-05 23:53:59 4387ms 3 NS 1 A 1 MX 🔒 Secure
2026-07-31 21:58:01 9111ms 3 NS 1 A 1 MX 🔒 Secure
2026-07-21 11:35:15 shown 2989ms 3 NS 1 A 1 MX 🔒 Secure
2026-07-12 03:28:07 2672ms 3 NS 1 A 1 MX 🔒 Secure
2026-07-03 11:28:37 8997ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-30 08:06:30 2095ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-24 08:51:37 1634ms 3 NS 1 A 1 MX ⚠️ Bogus
2026-06-22 01:36:50 1328ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-20 07:38:28 901ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-19 22:13:14 4245ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-19 10:46:32 2057ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-17 21:32:25 816ms 3 NS 1 A 1 MX 🔒 Secure
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