gd-online.dk

📜 Historical scan 2026-10-18 07:48:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gd-online.dk is a .dk domain served by 2 nameservers (bob.ns.cloudflare.com, dora.ns.cloudflare.com). It was registered on 24 January 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.84.128 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by gdonline-dk0e.mail.protection.outlook.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 106ms

Nameserver	IP addresses	PTR	ASN / ISP
bob.ns.cloudflare.com	108.162.193.104 172.64.33.104 173.245.59.104 2606:4700:58::adf5:3b68 2803:f800:50::6ca2:c168 2a06:98c1:50::ac40:2168	bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dora.ns.cloudflare.com	108.162.192.108 172.64.32.108 173.245.58.108 2606:4700:50::adf5:3a6c 2803:f800:50::6ca2:c06c 2a06:98c1:50::ac40:206c	dora.ns.cloudflare.com dora.ns.cloudflare.com dora.ns.cloudflare.com dora.ns.cloudflare.com dora.ns.cloudflare.com dora.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 81ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.84.128	30s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.193.7	30s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 97ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	30s	gdonline-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::26 2a01:111:f403:ca09::a 2a01:111:f403:ca48::c 52.101.209.28 52.101.68.21 52.101.68.27 52.101.91.162	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-matpr04cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136

🔷 AAAA Records (IPv6)#

2 records 89ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:5480	30s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:c107	30s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 93ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.84.128,172.67.193.7 ech=AEX+DQBBlAAgACAm5CoMZdsR3bia/zyD99Ta3UGuAYW+x62dnLAOq+7AJAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:5480,2606:4700:3037::ac43:c107

🔌 SRV Records#

1 records 115ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 147ms

TXT Record
MS=ms37725463
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (gd-online.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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 2026-10-24 13:53:02

www	104.21.84.128 172.67.193.7 2606:4700:3031::6815:5480 2606:4700:3037::ac43:c107 (AS13335) (address records, no CNAME)
www vs bare domain	Same network gd-online.dk: 104.21.84.128 172.67.193.7 2606:4700:3031::6815:5480 2606:4700:3037::ac43:c107 (AS13335) www.gd-online.dk: 104.21.84.128 172.67.193.7 2606:4700:3031::6815:5480 2606:4700:3037::ac43:c107 (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.gd-online.dk	MNHLXyypgej3X7KWt-lkbpBtaRAlGDCRZxPX1N8fPho
TXT	_acme-challenge.gd-online.dk	YRrTjIK80VFt-_2vxOyaEpB8nbpOxk61dgAT6yekMbE

🔗 TLSA / DANE#

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

🔐 DNSSEC#

170ms

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

🏷️ SOA#

24ms

Field	Value
Serial	2417585654
Primary NS (MNAME)	bob.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 07:09:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-01-24
Expires	2027-01-31 (98d)

🔗 Same registrant#

24 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
cabel-id.dk	Punktum dk A/S (direct)
cabelid.dk	Punktum dk A/S (direct)
daugsch.dk	Punktum dk A/S (direct)
gd-i.dk	Punktum dk A/S (direct)
gd-powernet.dk	Punktum dk A/S (direct)
gd.dk	Punktum dk A/S (direct)
gdforum.dk	Punktum dk A/S (direct)
gdpowernet.dk	Punktum dk A/S (direct)
gdwc.dk	Punktum dk A/S (direct)
gdwinecare.dk	Punktum dk A/S (direct)
gdwnc.dk	Punktum dk A/S (direct)
jetting.dk	Punktum dk A/S (direct)
kabel-id.dk	Punktum dk A/S (direct)
kabelid.dk	Punktum dk A/S (direct)
kabeltelt.dk	Punktum dk A/S (direct)
krymp.dk	Punktum dk A/S (direct)
krympe-muffer.dk	Punktum dk A/S (direct)
mogaweb.dk	Punktum dk A/S (direct)
muffer.dk	Punktum dk A/S (direct)
mufferonline.dk	Punktum dk A/S (direct)
multimeter.dk	Punktum dk A/S (direct)
plumett.dk	Punktum dk A/S (direct)
termo-kamera.dk	Punktum dk A/S (direct)
winedispenser.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

106ms

81ms

97ms

AAAA

89ms

TXT

147ms

CAA

88ms

HTTPS

93ms

TLSA

140ms

SOA

24ms

MTA-STS

110ms

DNSSEC

170ms

SRV

115ms

Total

1651ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 13:53:02	976ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-19 08:03:03	1466ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-18 07:48:53 shown	1651ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-17 06:37:01	1405ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-16 06:31:31	3055ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-15 05:32:08	1814ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-09 20:40:40	1398ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-20 14:45:08	1479ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-20 13:09:54	1729ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-28 03:32:15	958ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-26 02:04:03	1570ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-17 02:23:32	2184ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-11 19:03:19	17582ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-04 15:29:34	4174ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-13 13:07:57	1948ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-21 12:19:25	1161ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 10:32:46	1262ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 10:30:05	1117ms	2 NS 2 A 1 MX	🔒 Secure