coretap.dk

📜 Historical scan 2026-08-10 13:02:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

coretap.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It first appeared in the .dk zone on 15 July 2026. Its website address 216.24.57.1 is hosted by Render (AS397273) in United States. The zone is DNSSEC-signed and validates, 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 202ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 205ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.24.57.1	3600s	—	AS397273	Render	216.24.57.0/24	🇺🇸 United States	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	212.237.249.17
🔶 Autoconfig	212.237.249.17

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 2026-09-29 22:55:56

www CNAME	base44.onrender.com (all on onrender.com)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u112679512.wl013.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u112679512.wl013.sendgrid.net	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.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

493ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026081001
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

202ms

205ms

221ms

AAAA

229ms

TXT

635ms

CAA

193ms

HTTPS

212ms

TLSA

170ms

SOA

0ms

MTA-STS

284ms

DNSSEC

493ms

SRV

245ms

Total

1625ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 22:55:56	1202ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 21:10:17	1631ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 20:57:22	1615ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 16:43:33	1149ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-02 17:43:33	713ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-16 07:47:10	2166ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 15:08:04	3323ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 13:02:24 shown	1625ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-15 08:39:09	665ms	2 NS 1 A 0 MX	🔒 Secure