guldmann.dk

📜 Historical scan 2026-09-08 22:23:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

guldmann.dk is a .dk domain served by 2 nameservers (brady.ns.cloudflare.com, maleah.ns.cloudflare.com). It was registered on 24 March 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.18.16.201 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by guldmann-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 151ms

Nameserver	IP addresses	PTR	ASN / ISP
brady.ns.cloudflare.com	108.162.195.215 162.159.44.215 172.64.35.215 2606:4700:58::a29f:2cd7 2803:f800:50::6ca2:c3d7 2a06:98c1:50::ac40:23d7	brady.ns.cloudflare.com brady.ns.cloudflare.com brady.ns.cloudflare.com brady.ns.cloudflare.com brady.ns.cloudflare.com brady.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
maleah.ns.cloudflare.com	108.162.194.118 162.159.38.118 172.64.34.118 2606:4700:50::a29f:2676 2803:f800:50::6ca2:c276 2a06:98c1:50::ac40:2276	maleah.ns.cloudflare.com maleah.ns.cloudflare.com maleah.ns.cloudflare.com maleah.ns.cloudflare.com maleah.ns.cloudflare.com maleah.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 188ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.18.16.201	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—
104.18.17.201	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records#

1 records 115ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	guldmann-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::e 2a01:111:f403:ca09::3 2a01:111:f403:ca09::7 52.101.185.21 52.101.73.123 52.101.73.126 52.101.73.15	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 52.98.171.232

🔷 AAAA Records (IPv6)#

2 records 152ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700::6812:10c9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700::6812:11c9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records#

1 records 105ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.18.16.201,104.18.17.201 ipv6hint=2606:4700::6812:10c9,2606:4700::6812:11c9

📝 TXT Records#

3 records 348ms

TXT Record
fTuungysFyIHVR0fJTQpgQg1ZOxEFD7Hi+u2it1zMAj76I0Ze3ggblKcPzyZNBpTGCmkuq/Z1SCa36fGKNOF4Q==
MS=ms96336744
v=spf1 include:_spf65800.spf-protect.dk include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (guldmann.dk)
~all (soft fail)	v=spf1 include:_spf65800.spf-protect.dk include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.guldmann.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:67c58e32a31a9@dmarc-dk.centerasecurity.com;

📬 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 2026-10-16 04:23:25

www	104.18.16.201 104.18.17.201 2606:4700::6812:10c9 2606:4700::6812:11c9 (AS13335) (address records, no CNAME)
www vs bare domain	Same network guldmann.dk: 104.18.16.201 104.18.17.201 2606:4700::6812:10c9 2606:4700::6812:11c9 (AS13335) www.guldmann.dk: 104.18.16.201 104.18.17.201 2606:4700::6812:10c9 2606:4700::6812:11c9 (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-guldmann-dk._domainkey.vguldmann.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-guldmann-dk._domainkey.vguldmann.onmicrosoft.com	RSA · ~1024 bit below 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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.guldmann.dk	Kvmdturi2HdiwcHLgm-oFcwYBoVBflR2WCBTMadA1ao
TXT	_acme-challenge.guldmann.dk	xCc3_tFAOdKrV0CRzJx0cXg17LF8enJs7VnYXv28iRA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

176ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414272113
Primary NS (MNAME)	brady.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 04:49:27

Field	Value
Registrar	InterNetX GmbH
Registered	1998-03-24
Expires	2027-03-31 (163d)

🔗 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
cargu.dk	InterNetX GmbH
ghiltd.dk	InterNetX GmbH
myguldmann.dk	InterNetX GmbH

📋 WHOIS#

⏱️ Lookup Timing#

151ms

188ms

115ms

AAAA

152ms

TXT

348ms

CAA

117ms

HTTPS

105ms

TLSA

595ms

SOA

0ms

MTA-STS

106ms

DNSSEC

176ms

SRV

226ms

Total

2153ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 04:23:25	899ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 16:11:00	1534ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-11 13:44:06	1960ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 22:23:56 shown	2153ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 04:59:41	1947ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-17 18:29:47	1842ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 08:52:17	2500ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 18:53:37	1379ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 10:12:05	3923ms	4 NS 1 A 1 MX	🔓 Insecure