coregrid.dk

📜 Historical scan 2026-09-21 14:07:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

coregrid.dk is a .dk domain served by 2 nameservers (leonidas.ns.cloudflare.com, stevie.ns.cloudflare.com). It was registered on 20 February 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.228.69.29 is hosted by Altibox Danmark AS (AS214875) in Denmark. Mail is handled by ., mail.coregrid.dk. The zone is not DNSSEC-signed, has no 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#

2 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
leonidas.ns.cloudflare.com	108.162.195.101 162.159.44.101 172.64.35.101 2606:4700:58::a29f:2c65 2803:f800:50::6ca2:c365 2a06:98c1:50::ac40:2365	leonidas.ns.cloudflare.com leonidas.ns.cloudflare.com leonidas.ns.cloudflare.com leonidas.ns.cloudflare.com leonidas.ns.cloudflare.com leonidas.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
stevie.ns.cloudflare.com	108.162.194.106 162.159.38.106 172.64.34.106 2606:4700:50::a29f:266a 2803:f800:50::6ca2:c26a 2a06:98c1:50::ac40:226a	stevie.ns.cloudflare.com stevie.ns.cloudflare.com stevie.ns.cloudflare.com stevie.ns.cloudflare.com stevie.ns.cloudflare.com stevie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.228.69.29	300s	mail.miraca.dk	AS214875	Altibox Danmark AS	188.228.68.0/23	🇩🇰 Denmark	Thisted

📧 MX Records#

2 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)
10	300s	mail.coregrid.dk	188.228.69.29	mail.miraca.dk	AS214875 Altibox Danmark AS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.coregrid.dk → 188.228.69.29
🔶 Autoconfig	mail.coregrid.dk → 188.228.69.29

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

3 records 69ms

Service	Weight	Port	Target
_autodiscover._tcp	1	443	mail.coregrid.dk
_imap._tcp	1	143	mail.coregrid.dk
_imaps._tcp	1	993	mail.coregrid.dk

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-15 05:53:17

www	NXDOMAIN
www vs bare domain	www does not resolve coregrid.dk: 188.228.69.29 (AS214875) www.coregrid.dk: no address (all like this)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
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.

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.coregrid.dk	6F8ZCJPttJXIUzsah6xYOLBuNXW4AmgmE4cfK1H1P_0
TXT	_acme-challenge.coregrid.dk	o90LK1KKQfY6gzAkm4LMAaR2YhVYAy9uFLbdplLr-Hc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

125ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2415456384
Primary NS (MNAME)	leonidas.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 04:28:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2026-02-20
Expires	2027-02-19 (124d)

📋 WHOIS#

⏱️ Lookup Timing#

26ms

49ms

33ms

AAAA

35ms

TXT

196ms

CAA

39ms

HTTPS

67ms

TLSA

124ms

SOA

0ms

MTA-STS

59ms

DNSSEC

125ms

SRV

69ms

Total

1299ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 05:53:17	467ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-23 13:14:41	695ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-21 14:07:23 shown	1299ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-20 04:56:25	1144ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-19 21:03:27	978ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-05 18:01:26	601ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-17 03:15:29	2320ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-02 23:42:15	967ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-21 17:49:30	983ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-21 16:54:48	1036ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 08:16:20	851ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-16 22:26:45	446ms	2 NS 1 A 1 MX	🔓 Insecure