mtsn.dk

📜 Historical scan 2026-09-20 10:17:52  ·  ← 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 77.33.79.195 is hosted by FIBIA P/S (AS44869) 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   105ms
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   124ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.33.79.195 300s 77.33.79.195.dhcp.fibianet.dk AS44869 FIBIA P/S 77.33.0.0/16 🇩🇰 Denmark Haslev

📧 MX Records#

1 records   129ms
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 → 77.33.79.195
🔶 Autoconfigmail.mtsn.dk → 77.33.79.195

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records   171ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 mail.mtsn.dk
_imaps._tcp 0 1 993 mail.mtsn.dk

📝 TXT Records#

2 records   269ms
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#

180ms
CheckResult
Status⚠️ Invalid
TXT record (_mta-sts)✓ Found
HTTPS policy✗ Missing / invalid
Policy ID20220101000000Z
Policy MX—

📈 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 5l7vvK60DAj6RmkD6Au0mwF6ZBndLAJSL8ZkVLMzHUM
TXT _acme-challenge.mtsn.dk M6rcVdgR6Y8zH5zxhGBcjSVi_vGKn8WI6kxG18itb7I
TXT _acme-challenge.mtsn.dk W8jzF7f-OjXFXFNLcO2mAIXZfNxM0Bix-6o5WI3bk2s
TXT _acme-challenge.mtsn.dk Xr3ByqeV3CU2sfnuUnLatMjiQ3VxTwmD_Hu_Qbt1R3g

🔗 TLSA / DANE#

1 records   114ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.mtsn.dk DANE-EE · SPKI · SHA-256 48C5A44FD262B69DF11228B5AA7FDDEC…

🔐 DNSSEC#

157ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026091603
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
105ms
A
124ms
MX
129ms
AAAA
95ms
TXT
269ms
CAA
130ms
HTTPS
96ms
TLSA
114ms
SOA
0ms
MTA-STS
180ms
DNSSEC
157ms
SRV
171ms
Total
3723ms

🕐 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 shown 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 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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