jerrit.dk

Records from scan: 2026-10-16 19:28:17 · 815ms total · last checked 2026-10-17 20:07 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jerrit.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 148ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

4 records 101ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.199.108.153	600s	cdn-185-199-108-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.109.153	600s	cdn-185-199-109-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.110.153	600s	cdn-185-199-110-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.111.153	600s	cdn-185-199-111-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—

📧 MX Records#

1 records 159ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 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#

checked 2026-10-16 19:28:18

www CNAME	clauszibrandtsen-app.github.io (all on github.io) → 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 2606:50c0:8000::153 2606:50c0:8001::153 2606:50c0:8002::153 2606:50c0:8003::153 (AS54113)
www vs bare domain	Same network jerrit.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.jerrit.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

176ms

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

🏷️ SOA#

147ms

Field	Value
Serial	2026101501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-16 19:44:30

Field	Value
Registrar	ONE.COM A/S
Registered	2025-12-10
Expires	2026-12-09 (51d)

📋 WHOIS#

⏱️ Lookup Timing#

148ms

101ms

159ms

AAAA

142ms

TXT

252ms

CAA

110ms

HTTPS

111ms

TLSA

131ms

SOA

147ms

MTA-STS

134ms

DNSSEC

176ms

SRV

150ms

Total

815ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 19:28:17 shown	815ms	2 NS 4 A 1 MX	🔒 Secure
2026-10-01 01:46:56	686ms	2 NS 4 A 1 MX	🔒 Secure
2026-09-23 17:50:33	532ms	2 NS 4 A 1 MX	🔒 Secure
2026-09-18 16:31:22	719ms	2 NS 4 A 1 MX	🔒 Secure
2026-08-15 18:54:46	2219ms	2 NS 4 A 1 MX	🔒 Secure
2026-08-12 08:59:09	4727ms	2 NS 4 A 1 MX	🔒 Secure
2026-07-17 01:16:02	834ms	2 NS 4 A 1 MX	🔒 Secure
2026-06-20 18:46:40	1012ms	2 NS 4 A 1 MX	🔒 Secure
2026-06-18 03:29:00	607ms	2 NS 4 A 0 MX	🔒 Secure