bulow-andersen.dk DNS records

🖥️ Nameservers2 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
coby.ns.cloudflare.com	108.162.193.92 172.64.33.92 173.245.59.92 2606:4700:58::adf5:3b5c 2803:f800:50::6ca2:c15c 2a06:98c1:50::ac40:215c	coby.ns.cloudflare.com coby.ns.cloudflare.com coby.ns.cloudflare.com coby.ns.cloudflare.com coby.ns.cloudflare.com coby.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
leia.ns.cloudflare.com	108.162.192.184 172.64.32.184 173.245.58.184 2606:4700:50::adf5:3ab8 2803:f800:50::6ca2:c0b8 2a06:98c1:50::ac40:20b8	leia.ns.cloudflare.com leia.ns.cloudflare.com leia.ns.cloudflare.com leia.ns.cloudflare.com leia.ns.cloudflare.com leia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
207.180.236.77	300s	vmi2963771.contaboserver.net	AS51167	Contabo GmbH	207.180.192.0/18	🇫🇷 France	Lauterbourg

📧 MX Records1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
20	300s	bulowandersen-dk01c.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09:: 2a01:111:f403:ca09::20 2a01:111:f403:ca09::26 52.101.68.25 52.101.68.8 52.101.73.12 52.101.73.8	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.56
🔶 Autoconfig	bulow-andersen.dk → 207.180.236.77

🔷 AAAA Records (IPv6)1 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:c207:2022:795::1	300s	—	AS51167	Contabo GmbH	2a02:c204:0:0:0:0:0:0/30	🇫🇷 France	Lauterbourg

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 122ms

TXT Record
v=spf1 mx ip4:207.180.236.77 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (bulow-andersen.dk)
-all (hard fail)	v=spf1 mx ip4:207.180.236.77 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
CNAME	_acme-challenge.bulow-andersen.dk	bulow-andersen.dk

🔗 TLSA / DANE

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

🔐 DNSSEC101ms

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

🏷️ SOA0ms

Field	Value
Serial	2413235442
Primary NS (MNAME)	coby.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

37ms

A

26ms

MX

34ms

AAAA

30ms

TXT

122ms

CAA

30ms

HTTPS

25ms

TLSA

581ms

SOA

0ms

MTA-STS

44ms

DNSSEC

101ms

SRV

47ms

Total

1201ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 11:06:35	1201ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-19 10:41:27	12219ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-09 04:29:21	2433ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-09 18:39:26	1546ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 22:09:49	3153ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 22:29:08	1104ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 17:41:44	868ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 17:40:12	2716ms	2 NS 1 A 1 MX	🔒 Secure	View