rbfuge.dk

📜 Historical scan 2026-09-21 01:02:08 · ← 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 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 33ms

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 37ms

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 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rbfuge-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::4 2a01:111:f403:ca09::a 2a01:111:f403:ca21::c 52.101.68.15 52.101.68.21 52.101.68.27 52.101.73.126	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

2 records 42ms

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 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.1.40,172.67.128.128 ech=AEX+DQBBAwAgACDY1q4/QkaWpiPxoqsa/a/yJK5c7alg7GXzsndILuB7GAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:128,2606:4700:3033::ac43:8080

📝 TXT Records#

2 records 191ms

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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

67ms

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	2413908153
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

33ms

37ms

30ms

AAAA

42ms

TXT

191ms

CAA

46ms

HTTPS

48ms

TLSA

379ms

SOA

0ms

MTA-STS

62ms

DNSSEC

67ms

SRV

56ms

Total

1452ms

🕐 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 shown	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	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