goholbaek.dk

📜 Historical scan 2026-10-20 15:41:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

goholbaek.dk is a .dk domain served by 2 nameservers (hazel.ns.cloudflare.com, rex.ns.cloudflare.com). It was registered on 15 January 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.43.209 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. 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 109ms

Nameserver	IP addresses	PTR	ASN / ISP
hazel.ns.cloudflare.com	108.162.194.157 162.159.38.157 172.64.34.157 2606:4700:50::a29f:269d 2803:f800:50::6ca2:c29d 2a06:98c1:50::ac40:229d	hazel.ns.cloudflare.com hazel.ns.cloudflare.com hazel.ns.cloudflare.com hazel.ns.cloudflare.com hazel.ns.cloudflare.com hazel.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rex.ns.cloudflare.com	108.162.195.13 162.159.44.13 172.64.35.13 2606:4700:58::a29f:2c0d 2803:f800:50::6ca2:c30d 2a06:98c1:50::ac40:230d	rex.ns.cloudflare.com rex.ns.cloudflare.com rex.ns.cloudflare.com rex.ns.cloudflare.com rex.ns.cloudflare.com rex.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 106ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.43.209	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.185.46	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	30s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	30s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.185.46
🔶 Autoconfig	104.21.43.209

🔷 AAAA Records (IPv6)#

2 records 97ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:b92e	30s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:2bd1	30s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 108ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.43.209,172.67.185.46 ech=AEX+DQBBTAAgACBJ6sYVajf+pqLQvBHqreq6Em5ENZYhK6XVL9Pqn02KagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:b92e,2606:4700:3034::6815:2bd1

📝 TXT Records#

5 records 237ms

TXT Record
google-site-verification=_-n33_jfr87hYAedde9_5bvM8wMTwR131azPp-90wYM
google-site-verification=2udFhuhdpLeVc6Z2jT59M5lJzT5WhdG3laNKCo_ozhE
google-site-verification=GT55xDFwg3PKmbjMuRVKdxq2Rl5KY7cE-ohIY_e5LE8
resend-domain-verification=19ac8829e59f2a108a78019a5553a424
v=spf1 include:spf.onlinemail.io ?all

✉️ SPF#

Policy	Record (goholbaek.dk)
?all (neutral)	v=spf1 include:spf.onlinemail.io ?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 2026-10-23 00:19:27

www	104.21.43.209 172.67.185.46 2606:4700:3032::ac43:b92e 2606:4700:3034::6815:2bd1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network goholbaek.dk: 104.21.43.209 172.67.185.46 2606:4700:3032::ac43:b92e 2606:4700:3034::6815:2bd1 (AS13335) www.goholbaek.dk: 104.21.43.209 172.67.185.46 2606:4700:3032::ac43:b92e 2606:4700:3034::6815:2bd1 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.goholbaek.dk	0_29kV4lfmkyeMUpF2jqxpOQs0teyBug7FNe5nFeNqs
TXT	_acme-challenge.goholbaek.dk	HhgI7H_Uj-9ivVV034792gj0HNbPca_gyJ-7SzClFEM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

177ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2415426677
Primary NS (MNAME)	hazel.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-23 00:43:26

Field	Value
Registrar	Simply.com A/S
Registered	2020-01-15
Expires	2027-01-31 (99d)

🔗 Same registrant#

35 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
babyline.dk	Simply.com A/S
bellaitalia6000.dk	Simply.com A/S
go-aarhus.dk	Simply.com A/S
go-esbjerg.dk	Simply.com A/S
goaalborg.dk	Simply.com A/S
gofalster.dk	Simply.com A/S
gofredericia.dk	Simply.com A/S
goholbæk.dk	Simply.com A/S
gohorsens.dk	Simply.com A/S
gokalundborg.dk	Simply.com A/S
gokoebenhavn.dk	Simply.com A/S
gokoege.dk	Simply.com A/S
gokolding.dk	Simply.com A/S
gololland.dk	Simply.com A/S
golollandfalster.dk	Simply.com A/S
gonaestved.dk	Simply.com A/S
gonæstved.dk	Simply.com A/S
goodense.dk	Simply.com A/S
goodshered.dk	Simply.com A/S
goodsherred.dk	Simply.com A/S
goroskilde.dk	Simply.com A/S
gosilkeborg.dk	Simply.com A/S
goslagelse.dk	Simply.com A/S
gosoenderborg.dk	Simply.com A/S
gosønderborg.dk	Simply.com A/S
govejle.dk	Simply.com A/S
goviborg.dk	Simply.com A/S
goålborg.dk	Simply.com A/S
goårhus.dk	Simply.com A/S
opdateret.dk	Simply.com A/S
sportland.dk	Simply.com A/S
syddanmark.dk	Simply.com A/S
synkron.dk	Simply.com A/S
telefona.dk	Simply.com A/S
websail.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

109ms

106ms

64ms

AAAA

97ms

TXT

237ms

CAA

46ms

HTTPS

108ms

TLSA

820ms

SOA

27ms

MTA-STS

88ms

DNSSEC

177ms

SRV

156ms

Total

2350ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 00:19:27	590ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-20 15:41:34 shown	2350ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-19 13:14:01	1214ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-01 08:59:37	722ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-30 03:28:39	982ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-22 22:15:26	753ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-19 19:15:07	1284ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-14 23:39:12	1178ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-22 07:45:22	1187ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-21 07:42:15	1119ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-26 17:36:02	1946ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-22 13:32:25	1048ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-11 01:44:44	1026ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-25 05:28:48	883ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-23 11:52:11	920ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 00:03:00	563ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 10:01:52	2563ms	2 NS 1 A 2 MX	🔒 Secure