byboe.dk

Records from scan: 2026-10-01 15:48:49 · 934ms total · last checked 2026-10-17 05:17 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byboe.dk is a .dk domain served by 2 nameservers (susan.ns.cloudflare.com, tosana.ns.cloudflare.com). It was registered on 14 November 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.41.164 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 27ms

Nameserver	IP addresses	PTR	ASN / ISP
susan.ns.cloudflare.com	108.162.194.199 162.159.38.199 172.64.34.199 2606:4700:50::a29f:26c7 2803:f800:50::6ca2:c2c7 2a06:98c1:50::ac40:22c7	susan.ns.cloudflare.com susan.ns.cloudflare.com susan.ns.cloudflare.com susan.ns.cloudflare.com susan.ns.cloudflare.com susan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tosana.ns.cloudflare.com	108.162.195.43 162.159.44.43 172.64.35.43 2606:4700:58::a29f:2c2b 2803:f800:50::6ca2:c32b 2a06:98c1:50::ac40:232b	tosana.ns.cloudflare.com tosana.ns.cloudflare.com tosana.ns.cloudflare.com tosana.ns.cloudflare.com tosana.ns.cloudflare.com tosana.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 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.41.164	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.148.60	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	172.67.148.60

🔷 AAAA Records (IPv6)#

2 records 64ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:29a4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:943c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.41.164,172.67.148.60 ech=AEX+DQBB/QAgACDXnBlS7WsBpW3het4JiVs5q/cfBYlfPPlRrwAHBZwcJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:29a4,2606:4700:3032::ac43:943c

📝 TXT Records#

2 records 173ms

TXT Record
google-site-verification=ukKNdo9MjW-3YfQIDCU2cnd6PeEqeBNiRt_G25x_r7g
v=spf1 include:spf.simply.com -all

✉️ SPF#

Policy	Record (byboe.dk)
-all (hard fail)	v=spf1 include:spf.simply.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#

checked 2026-10-10 14:34:27

www	NXDOMAIN
www vs bare domain	www does not resolve byboe.dk: 104.21.41.164 172.67.148.60 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.byboe.dk: no address (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

3 records 232ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	4B949F05A63FED95FC94B3A83DD70167…

🔐 DNSSEC#

128ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2416315933
Primary NS (MNAME)	susan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 12:03:26

Field	Value
Registrar	Simply.com A/S
Registered	2022-11-14
Expires	2026-11-13 (27d)

🔗 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
studentplan.dk	Simply.com A/S
studentsystems.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

27ms

54ms

64ms

AAAA

64ms

TXT

173ms

CAA

36ms

HTTPS

33ms

TLSA

232ms

SOA

45ms

MTA-STS

66ms

DNSSEC

128ms

SRV

75ms

Total

934ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 15:48:49 shown	934ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 15:42:21	1054ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 09:11:44	707ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 09:01:24	703ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 08:53:09	9617ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 01:14:16	766ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 00:45:49	943ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-15 22:15:34	2249ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-07 02:32:54	2037ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 14:48:52	613ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-24 21:39:28	761ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-21 19:01:00	1035ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 18:54:57	939ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-20 01:46:48	2749ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:05:48	547ms	3 NS 1 A 1 MX	🔒 Secure