onebyte.dk

📜 Historical scan 2026-10-10 15:20:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

onebyte.dk is a .dk domain served by 2 nameservers (harlan.ns.cloudflare.com, ximena.ns.cloudflare.com). It was registered on 9 March 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.50.147 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, 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 402ms

Nameserver	IP addresses	PTR	ASN / ISP
harlan.ns.cloudflare.com	108.162.195.250 162.159.44.250 172.64.35.250 2606:4700:58::a29f:2cfa 2803:f800:50::6ca2:c3fa 2a06:98c1:50::ac40:23fa	harlan.ns.cloudflare.com harlan.ns.cloudflare.com harlan.ns.cloudflare.com harlan.ns.cloudflare.com harlan.ns.cloudflare.com harlan.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 161ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.50.147	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.207.4	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 470ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.127.26 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1a	rd-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	142.250.147.27 2a00:1450:4025:c01::1a	rd-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.com	172.253.152.26 2a00:1450:4010:c22::1a	yulpptr-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.50.147
🔶 Autoconfig	104.21.50.147

🔷 AAAA Records (IPv6)#

2 records 476ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 402ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.50.147,172.67.207.4 ech=AEX+DQBBVQAgACBGRZCcFMCImxVZpGJVJRQugZ+aOJvC1dWL3hCt6OCNWAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3293,2606:4700:3037::ac43:cf04

📝 TXT Records#

5 records 812ms

TXT Record
google-site-verification=JudtKCIvWGIfiBtyS6aTjB4GjGCxfQTN-l3_O2akb-U
google-site-verification=PaBUzRao5hr8retpZqU0yXJSBg1KjKaF8zFT7fHigmE
google-site-verification=RGMRhWsq08V034I8bdg4Gflom3oN0KKU0XtmKVy_kJg
protonmail-verification=7bd153cc9273ea4233dea0fa9302857ae6a1057c
v=spf1 include:_spf.google.com include:_spf.protonmail.ch ~all

✉️ SPF#

Policy	Record (onebyte.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:_spf.protonmail.ch ~all

📨 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 2026-10-11 16:08:30

www	104.21.50.147 172.67.207.4 2606:4700:3030::6815:3293 2606:4700:3037::ac43:cf04 (AS13335) (address records, no CNAME)
www vs bare domain	Same network onebyte.dk: 104.21.50.147 172.67.207.4 2606:4700:3030::6815:3293 2606:4700:3037::ac43:cf04 (AS13335) www.onebyte.dk: 104.21.50.147 172.67.207.4 2606:4700:3030::6815:3293 2606:4700:3037::ac43:cf04 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.onebyte.dk	7Qvl310pp2gggr7qaQnsnm7OdOuTzAeX_IpCr1N-wOs
TXT	_acme-challenge.onebyte.dk	CEHqUuC2rHIUWZIknnf9ES84-GKUAtNosahQfCAtsA8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

769ms

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

🏷️ SOA#

78ms

Field	Value
Serial	2417120260
Primary NS (MNAME)	harlan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-20 10:46:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-03-09
Expires	2028-03-31 (527d)

🔗 Same registrant#

3 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).

Domain	Registrar
basedonexperience.dk	Punktum dk A/S (direct)
byens-skraedder.dk	Punktum dk A/S (direct)
sattari.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

402ms

161ms

470ms

AAAA

476ms

TXT

812ms

CAA

456ms

HTTPS

402ms

TLSA

710ms

SOA

78ms

MTA-STS

664ms

DNSSEC

769ms

SRV

562ms

Total

4093ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 16:08:30	1007ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-10 15:20:18 shown	4093ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-09 12:12:09	3040ms	4 NS 1 A 5 MX	🔓 Insecure
2026-10-07 17:42:38	2974ms	4 NS 1 A 5 MX	🔓 Insecure
2026-09-29 21:04:31	3134ms	4 NS 1 A 5 MX	🔓 Insecure
2026-08-27 08:57:06	3809ms	4 NS 1 A 5 MX	🔓 Insecure
2026-08-26 00:54:22	3672ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-25 07:41:21	2150ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-20 18:06:49	1966ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-17 17:29:27	2013ms	4 NS 1 A 5 MX	🔓 Insecure