mtcore.dk

📜 Historical scan 2026-09-20 01:10:05  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mtcore.dk is a .dk domain served by 2 nameservers (james.ns.cloudflare.com, ximena.ns.cloudflare.com). It was registered on 8 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.41.145 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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   119ms
NameserverIP addressesPTRASN / ISP
james.ns.cloudflare.com 108.162.193.178
172.64.33.178
173.245.59.178
2606:4700:58::adf5:3bb2
2803:f800:50::6ca2:c1b2
2a06:98c1:50::ac40:21b2		 james.ns.cloudflare.com
james.ns.cloudflare.com
james.ns.cloudflare.com
james.ns.cloudflare.com
james.ns.cloudflare.com
james.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ximena.ns.cloudflare.com 108.162.194.10
162.159.38.10
172.64.34.10
2606:4700:50::a29f:260a
2803:f800:50::6ca2:c20a
2a06:98c1:50::ac40:220a		 ximena.ns.cloudflare.com
ximena.ns.cloudflare.com
ximena.ns.cloudflare.com
ximena.ns.cloudflare.com
ximena.ns.cloudflare.com
ximena.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   114ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.41.145 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.191.57 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   125ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.41.145
🔶 Autoconfig104.21.41.145

🔷 AAAA Records (IPv6)#

2 records   116ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::ac43:bf39 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::6815:2991 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   135ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.41.145,172.67.191.57 ech=AEX+DQBBFgAgACBLEjeKukcSD/YlX2ay4xAKscvWDjIcjw3rbjt01XSXDgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:bf39,2606:4700:3035::6815:2991

📝 TXT Records#

1 records   251ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_dmarc.mtcore.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:97cf4d4e2069420caf30b3b339be964f@dmarc-reports.cloudflare.net

📬 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 2026-10-21 21:00:55
www104.21.41.145 172.67.191.57 2606:4700:3032::ac43:bf39 2606:4700:3035::6815:2991 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   166ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

197ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415048976
Primary NS (MNAME)james.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-16 16:05:38
FieldValue
RegistrarSimply.com A/S
Registered2026-01-08
Expires2027-01-07 (77d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
119ms
A
114ms
MX
125ms
AAAA
116ms
TXT
251ms
CAA
117ms
HTTPS
135ms
TLSA
166ms
SOA
0ms
MTA-STS
129ms
DNSSEC
197ms
SRV
148ms
Total
1178ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-21 21:00:55 2476ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-20 17:39:08 503ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-19 17:03:04 546ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-16 15:55:19 832ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-14 13:29:59 792ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-12 07:03:48 472ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-09 04:00:38 827ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-08 03:58:08 743ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-07 03:55:46 1428ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-05 20:17:33 773ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-04 20:14:27 448ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-03 20:12:18 430ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-01 20:07:18 504ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 19:53:09 564ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-29 09:38:39 704ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-28 09:15:11 815ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-25 08:46:52 762ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-23 15:36:32 650ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-20 01:10:05 shown 1178ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-12 23:40:33 2142ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-05 22:52:05 1088ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-31 08:43:54 716ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 22:36:48 9709ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-24 14:43:28 1029ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-17 13:21:50 2895ms 2 NS 2 A 1 MX 🔓 Insecure
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