guldborggrenen.dk DNS records

🖥️ Nameservers2 records 95ms

Nameserver	IP addresses	PTR	ASN / ISP
pete.ns.cloudflare.com	108.162.193.136 172.64.33.136 173.245.59.136 2606:4700:58::adf5:3b88 2803:f800:50::6ca2:c188 2a06:98c1:50::ac40:2188	pete.ns.cloudflare.com pete.ns.cloudflare.com pete.ns.cloudflare.com pete.ns.cloudflare.com pete.ns.cloudflare.com pete.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
riya.ns.cloudflare.com	108.162.194.155 162.159.38.155 172.64.34.155 2606:4700:50::a29f:269b 2803:f800:50::6ca2:c29b 2a06:98c1:50::ac40:229b	riya.ns.cloudflare.com riya.ns.cloudflare.com riya.ns.cloudflare.com riya.ns.cloudflare.com riya.ns.cloudflare.com riya.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 90ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	guldborggrenen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::c 2a01:111:f403:ca09::b 2a01:111:f403:ca09::e 52.101.103.143 52.101.68.0 52.101.68.10 52.101.73.2	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 135ms

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

📝 TXT Records2 records 358ms

TXT Record
MS=ms67549765
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (guldborggrenen.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.guldborggrenen.dk	n54mvSwROxzt7g0wDjdKf2DPN7YrqvpgR5JxthHXWCM
TXT	_acme-challenge.guldborggrenen.dk	P5-Otob_Yu0KGHpgTO06JdFKqYc-DLWVqIsb2F-4h20

🔗 TLSA / DANE

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

🔐 DNSSEC176ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2413388480
Primary NS (MNAME)	pete.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

95ms

A

88ms

MX

90ms

AAAA

91ms

TXT

358ms

CAA

92ms

HTTPS

80ms

TLSA

718ms

SOA

0ms

MTA-STS

148ms

DNSSEC

176ms

SRV

135ms

Total

1724ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 13:09:29	1724ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-27 03:26:59	1091ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-23 23:32:18	2162ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-22 21:09:07	2483ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-20 20:46:29	18719ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-27 21:50:08	1808ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-21 04:36:04	1608ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-04 13:26:56	2077ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-28 09:33:27	1283ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-27 03:12:19	2134ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-23 10:49:51	890ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 10:50:01	2212ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-17 10:48:45	852ms	2 NS 0 A 1 MX	🔒 Secure	View