rbfuge.dk

📜 Historical scan 2026-08-30 00:19:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rbfuge.dk is a .dk domain served by 2 nameservers (eva.ns.cloudflare.com, jeff.ns.cloudflare.com). It was registered on 8 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.1.40 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by rbfuge-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 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 Records#

2 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 Records#

1 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 Records#

1 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 Records#

2 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 08:56:27

www	104.21.1.40 172.67.128.128 2606:4700:3033::6815:128 2606:4700:3033::ac43:8080 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rbfuge.dk: 104.21.1.40 172.67.128.128 2606:4700:3033::6815:128 2606:4700:3033::ac43:8080 (AS13335) www.rbfuge.dk: 104.21.1.40 172.67.128.128 2606:4700:3033::6815:128 2606:4700:3033::ac43:8080 (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-rbfuge-dk._domainkey.rbfugeteknik.p-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-rbfuge-dk._domainkey.rbfugeteknik.p-v1.dkim.mail.microsoft	RSA · ~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: 1/10 · policy: ~all

No problems found

🔏 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)

🔐 DNSSEC#

101ms

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	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#

WHOIS fetched 2026-10-25 09:27:27

Field	Value
Registrar	DANDOMAIN A/S
Registered	2026-01-08
Expires	2027-01-07 (73d)

🔗 Same registrant#

2 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
rb-fugeteknik.dk	DANDOMAIN A/S
rbfugeteknik.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

26ms

29ms

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
2026-10-01 01:33:38	860ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 12:18:54	2684ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-21 01:02:08	1452ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-04 14:21:29	890ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-30 00:19:25 shown	1389ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-04 23:03:36	7928ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 03:02:04	1545ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 08:17:50	886ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 20:04:24	5616ms	2 NS 2 A 1 MX	🔓 Insecure