jacobbuchhave.dk

📜 Historical scan 2026-10-13 10:44:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jacobbuchhave.dk is a .dk domain served by 2 nameservers (osmar.ns.cloudflare.com, rayne.ns.cloudflare.com). It was registered on 2 June 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.13.170 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, has no 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 31ms

Nameserver	IP addresses	PTR	ASN / ISP
osmar.ns.cloudflare.com	108.162.195.124 162.159.44.124 172.64.35.124 2606:4700:58::a29f:2c7c 2803:f800:50::6ca2:c37c 2a06:98c1:50::ac40:237c	osmar.ns.cloudflare.com osmar.ns.cloudflare.com osmar.ns.cloudflare.com osmar.ns.cloudflare.com osmar.ns.cloudflare.com osmar.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rayne.ns.cloudflare.com	108.162.194.11 162.159.38.11 172.64.34.11 2606:4700:50::a29f:260b 2803:f800:50::6ca2:c20b 2a06:98c1:50::ac40:220b	rayne.ns.cloudflare.com rayne.ns.cloudflare.com rayne.ns.cloudflare.com rayne.ns.cloudflare.com rayne.ns.cloudflare.com rayne.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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.13.170	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.200.219	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	209.85.233.26 209.85.233.27 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b 64.233.161.26 64.233.161.27 74.125.131.27	lr-in-f26.1e100.net lr-in-f27.1e100.net lh-in-f26.1e100.net lh-in-x1a.1e100.net lh-in-f27.1e100.net lh-in-x1b.1e100.net lr-in-f26.1e100.net lr-in-x1a.1e100.net lr-in-x1b.1e100.net lr-in-f27.1e100.net lh-in-f26.1e100.net lh-in-f27.1e100.net lu-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:c8db	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:daa	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.13.170,172.67.200.219 ech=AEX+DQBBfgAgACA0nQ8ytL3/wtmxnmBQeGLyBclDIP4YwqoCtFDDNcBzTgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:c8db,2606:4700:3033::6815:daa

📝 TXT Records#

1 records 173ms

TXT Record
google-site-verification=D3cgk4oJ9nKiCFimtjyPHBrWYIgZbfrySy8MXyvVpv8

✉️ 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 2026-10-13 10:56:48

www	104.21.13.170 172.67.200.219 2606:4700:3032::ac43:c8db 2606:4700:3033::6815:daa (AS13335) (address records, no CNAME)
www vs bare domain	Same network jacobbuchhave.dk: 104.21.13.170 172.67.200.219 2606:4700:3032::ac43:c8db 2606:4700:3033::6815:daa (AS13335) www.jacobbuchhave.dk: 104.21.13.170 172.67.200.219 2606:4700:3032::ac43:c8db 2606:4700:3033::6815:daa (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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#

60ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2417244492
Primary NS (MNAME)	osmar.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 00:29:05

Field	Value
Registrar	DANDOMAIN A/S
Registered	2026-06-02
Expires	2027-06-01 (221d)

🔗 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#

31ms

37ms

AAAA

30ms

TXT

173ms

CAA

48ms

HTTPS

43ms

TLSA

56ms

SOA

34ms

MTA-STS

53ms

DNSSEC

60ms

SRV

61ms

Total

478ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 10:56:48	3293ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-13 10:44:00 shown	478ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-11 23:58:40	1909ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 19:59:48	454ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-09 03:46:46	559ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 03:24:09	832ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 14:39:37	1238ms	2 NS 1 A 1 MX	🔒 Secure