mtsn.dk

📜 Historical scan 2026-10-02 04:41:09  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mtsn.dk is a .dk domain served by 5 nameservers (a.ns.mtsn.dk, b.ns.mtsn.dk, c.ns.mtsn.dk and 2 more). 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 86.52.51.145 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by mx.mtsn.dk. 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#

5 records   55ms
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
d.ns.mtsn.dk 185.210.177.88 — AS51377 CoMaSys ApS
e.ns.mtsn.dk 148.251.215.65
2a01:4f8:271:14e9::2		 static.65.215.251.148.clients.your-server.de
—		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH

🌍 A Records#

1 records   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
86.52.51.145 60s 86-52-51-145.norlyscustomer.net AS39642 Sinal A/S 86.52.0.0/16 🇩🇰 Denmark Viborg

📧 MX Records#

1 records   29ms
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 → 86.52.51.145
🔶 Autoconfigmail.mtsn.dk → 86.52.51.145

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records   66ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 mail.mtsn.dk
_imaps._tcp 0 1 993 mail.mtsn.dk

📝 TXT Records#

2 records   157ms
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#

128ms
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 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   146ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.mtsn.dk DANE-EE · SPKI · SHA-256 48C5A44FD262B69DF11228B5AA7FDDEC…

🔐 DNSSEC#

87ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

28ms
FieldValue
Serial2026092915
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
55ms
A
46ms
MX
29ms
AAAA
45ms
TXT
157ms
CAA
50ms
HTTPS
43ms
TLSA
146ms
SOA
28ms
MTA-STS
128ms
DNSSEC
87ms
SRV
66ms
Total
927ms

🕐 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 shown 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 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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