kerubo.dk

📜 Historical scan 2026-06-21 15:55:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kerubo.dk is a .dk domain served by 2 nameservers (damien.ns.cloudflare.com, pola.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.38.228 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by kerubo-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 45ms

Nameserver	IP addresses	PTR	ASN / ISP
damien.ns.cloudflare.com	108.162.195.168 162.159.44.168 172.64.35.168 2606:4700:58::a29f:2ca8 2803:f800:50::6ca2:c3a8 2a06:98c1:50::ac40:23a8	damien.ns.cloudflare.com damien.ns.cloudflare.com damien.ns.cloudflare.com damien.ns.cloudflare.com damien.ns.cloudflare.com damien.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
pola.ns.cloudflare.com	108.162.192.214 172.64.32.214 173.245.58.214 2606:4700:50::adf5:3ad6 2803:f800:50::6ca2:c0d6 2a06:98c1:50::ac40:20d6	pola.ns.cloudflare.com pola.ns.cloudflare.com pola.ns.cloudflare.com pola.ns.cloudflare.com pola.ns.cloudflare.com pola.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 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.38.228	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.140.62	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	kerubo-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::6 2a01:111:f403:ca09::2 2a01:111:f403:ca09::d 52.101.68.0 52.101.68.39 52.101.73.1 52.101.73.2	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am3pr04cu00501.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 → 52.97.183.200

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::ac43:8c3e	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:26e4	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.38.228,172.67.140.62 ech=AEX+DQBB0gAgACBnJ6i/nUsaqBThfBAwLcOV/OB6sreMe9uVdCX1dvxpKgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:8c3e,2606:4700:3037::6815:26e4

🔌 SRV Records#

1 records 138ms

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

📝 TXT Records#

3 records 199ms

TXT Record
facebook-domain-verification=yhjzd0fjp97vjbyrrd5iyxkd56leav
google-site-verification=RGYIXszkxCvgk5JwvMSRdomYfuKFnNFImuDTSwm7whE
v=spf1 include:spf.protection.outlook.com include:spf.simply.com include:spf.gecko.dk -all

✉️ SPF#

Policy	Record (kerubo.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.com include:spf.gecko.dk -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 2026-10-08 04:53:26

www	104.21.38.228 172.67.140.62 2606:4700:3031::6815:26e4 2606:4700:3035::ac43:8c3e (AS13335) (address records, no CNAME)
www vs bare domain	Same network kerubo.dk: 104.21.38.228 172.67.140.62 2606:4700:3031::6815:26e4 2606:4700:3035::ac43:8c3e (AS13335) www.kerubo.dk: 104.21.38.228 172.67.140.62 2606:4700:3031::6815:26e4 2606:4700:3035::ac43:8c3e (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

86ms

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

🏷️ SOA#

68ms

Field	Value
Serial	2404867644
Primary NS (MNAME)	damien.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#

45ms

71ms

44ms

AAAA

43ms

TXT

199ms

CAA

51ms

HTTPS

43ms

TLSA

356ms

SOA

68ms

MTA-STS

45ms

DNSSEC

86ms

SRV

138ms

Total

976ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 01:04:45	939ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 11:41:04	2764ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-16 09:42:21	1245ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 21:15:33	1304ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-19 22:37:00	3150ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-15 15:42:26	1423ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 05:37:08	3276ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 15:55:19 shown	976ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 10:46:49	703ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 14:45:18	3950ms	2 NS 2 A 1 MX	🔓 Insecure