rbfuge.dk DNS records

🖥️ Nameservers2 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
eva.ns.cloudflare.com	108.162.192.114 172.64.32.114 173.245.58.114 2606:4700:50::adf5:3a72 2803:f800:50::6ca2:c072 2a06:98c1:50::ac40:2072	eva.ns.cloudflare.com eva.ns.cloudflare.com eva.ns.cloudflare.com eva.ns.cloudflare.com eva.ns.cloudflare.com eva.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jeff.ns.cloudflare.com	108.162.193.124 172.64.33.124 173.245.59.124 2606:4700:58::adf5:3b7c 2803:f800:50::6ca2:c17c 2a06:98c1:50::ac40:217c	jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.1.40	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.128.128	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rbfuge-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca09::5 2a01:111:f403:ca09::d 2a01:111:f403:ca09::e 52.101.68.29 52.101.68.39 52.101.73.15 52.101.73.6	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.40

🔷 AAAA Records (IPv6)2 records 26ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:128	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:8080	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 30ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.1.40,172.67.128.128 ech=AEX+DQBBtgAgACCWhQ4QeqIZU///JrIG1CRzV2gmfVlCUWMCOnvLXUaSIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:128,2606:4700:3033::ac43:8080

📝 TXT Records2 records 150ms

TXT Record
MS=ms61664792
v=spf1 ip4:94.231.106.153 include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (rbfuge.dk)
~all (soft fail)	v=spf1 ip4:94.231.106.153 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.rbfuge.dk	Xp4Rgg4L70Xj7y_yGoxcRLRSvOzT9lDZul2A_2TXbbU
TXT	_acme-challenge.rbfuge.dk	w670iUb0gx-kU3YftJZEZS7QUD0qjfZSGs0en_aznU0

🔗 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	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2413434218
Primary NS (MNAME)	eva.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

26ms

A

29ms

MX

26ms

AAAA

26ms

TXT

150ms

CAA

39ms

HTTPS

30ms

TLSA

791ms

SOA

0ms

MTA-STS

49ms

DNSSEC

101ms

SRV

101ms

Total

1389ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 00:19:25	1389ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-04 23:03:36	7928ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 03:02:04	1545ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 08:17:50	886ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 20:04:24	5616ms	2 NS 2 A 1 MX	🔓 Insecure	View