martincastor.dk

📜 Historical scan 2026-10-21 07:08:00  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

martincastor.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 24 January 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx1.migadu.com, aspmx2.migadu.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#

4 records   22ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

🌍
No A records found

📧 MX Records#

2 records   26ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s aspmx1.migadu.com 135.125.171.180
135.125.222.87
2001:41d0:303:648a::1
2001:41d0:700:19b4::1
2001:41d0:700:1a57::1
51.38.57.138		 ns3160119.ip-135-125-171.eu
ns3160230.ip-135-125-222.eu
—
—
—
mizu0.migadu.com		 AS16276 OVH SAS
AS16276 OVH SAS
AS16276 OVH SAS
AS16276 OVH SAS
AS16276 OVH SAS
AS16276 OVH SAS
20 3600s aspmx2.migadu.com 135.125.171.180
135.125.222.87
2001:41d0:303:648a::1
2001:41d0:700:19b4::1
2001:41d0:700:1a57::1
51.38.57.138		 ns3160119.ip-135-125-171.eu
ns3160230.ip-135-125-222.eu
—
—
—
mizu0.migadu.com		 AS16276 OVH SAS
AS16276 OVH SAS
AS16276 OVH SAS
AS16276 OVH SAS
AS16276 OVH SAS
AS16276 OVH SAS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   87ms
TXT Record
hosted-email-verify=hoxyzxtd
v=spf1 include:spf.migadu.com -all

✉️ SPF#

PolicyRecord (martincastor.dk)
-all (hard fail) v=spf1 include:spf.migadu.com -all

📨 DMARC#

PolicyRecord (_dmarc.martincastor.dk)
p=quarantine v=DMARC1; p=quarantine;

📬 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 2026-10-24 05:53:02
wwwNXDOMAIN
www vs bare domainNeither resolves
martincastor.dk: no address
www.martincastor.dk: no address
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

100ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

21ms
FieldValue
Serial2026101904
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-19 17:02:09
FieldValue
RegistrarSimply.com A/S
Registered2015-01-24
Expires2027-01-31 (98d)

🔗 Same registrant#

10 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
500undskyldninger.dkSimply.com A/S
castor.dkSimply.com A/S
hypnodanmark.dkSimply.com A/S
hypnosenyt.dkSimply.com A/S
hypnoseshows.dkSimply.com A/S
hypnotour.dkSimply.com A/S
martincastorlive.dkSimply.com A/S
remindme.dkPunktum dk A/S (direct)
showhypnoseuddannelse.dkSimply.com A/S
showhypnotisør.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
22ms
A
24ms
MX
26ms
AAAA
30ms
TXT
87ms
CAA
28ms
HTTPS
18ms
TLSA
241ms
SOA
21ms
MTA-STS
33ms
DNSSEC
100ms
SRV
31ms
Total
1073ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-24 05:53:02 823ms 4 NS 0 A 2 MX 🔓 Insecure
2026-10-22 09:45:13 921ms 4 NS 0 A 2 MX 🔓 Insecure
2026-10-21 07:08:00 shown 1073ms 4 NS 0 A 2 MX 🔓 Insecure
2026-10-19 16:39:19 1294ms 4 NS 0 A 2 MX 🔓 Insecure
2026-10-01 16:02:25 603ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-29 15:49:02 389ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-26 11:16:17 695ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 14:33:12 2236ms 4 NS 1 A 1 MX 🔒 Secure
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