byoung.dk

📜 Historical scan 2026-10-14 06:47:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byoung.dk is a .dk domain served by 2 nameservers (aiden.ns.cloudflare.com, anna.ns.cloudflare.com). It was registered on 10 October 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.16.254 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by byoung-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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
aiden.ns.cloudflare.com	108.162.193.55 172.64.33.55 173.245.59.55 2606:4700:58::adf5:3b37 2803:f800:50::6ca2:c137 2a06:98c1:50::ac40:2137	aiden.ns.cloudflare.com aiden.ns.cloudflare.com aiden.ns.cloudflare.com aiden.ns.cloudflare.com aiden.ns.cloudflare.com aiden.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
anna.ns.cloudflare.com	108.162.192.102 172.64.32.102 173.245.58.102 2606:4700:50::adf5:3a66 2803:f800:50::6ca2:c066 2a06:98c1:50::ac40:2066	anna.ns.cloudflare.com anna.ns.cloudflare.com anna.ns.cloudflare.com anna.ns.cloudflare.com anna.ns.cloudflare.com anna.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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.16.254	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.217.193	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	byoung-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::9 2a01:111:f403:ca48::c 2a01:111:f403:ca48::e 52.101.103.36 52.101.68.10 52.101.68.27 52.101.68.39	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.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

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:10fe	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d9c1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 35ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.16.254,172.67.217.193 ech=AEX+DQBBDQAgACDYH/+WXS1wrXadh4ehcmFEXzASiUoqkBWGwbNlC70XJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:10fe,2606:4700:3035::ac43:d9c1

📝 TXT Records#

2 records 175ms

TXT Record
MS=ms81928115
v=spf1 -all

✉️ SPF#

Policy	Record (byoung.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.byoung.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:6007ede9667d0@dmarc.centerasecurity.com;

📬 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 2026-10-17 13:06:35

www	104.21.16.254 172.67.217.193 2606:4700:3032::6815:10fe 2606:4700:3035::ac43:d9c1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network byoung.dk: 104.21.16.254 172.67.217.193 2606:4700:3032::6815:10fe 2606:4700:3035::ac43:d9c1 (AS13335) www.byoung.dk: 104.21.16.254 172.67.217.193 2606:4700:3032::6815:10fe 2606:4700:3035::ac43:d9c1 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.byoung.dk	SYfRNb_keXexVQ0JMQm-xlKEonrtf_tfG5rmpr9SLak
TXT	_acme-challenge.byoung.dk	eUIoNZ568nLtH8T0aVAh3iNsfEiitK4cxu9UCeV7EO0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

66ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2417424800
Primary NS (MNAME)	aiden.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 03:46:20

Field	Value
Registrar	Eurodns S.A
Registered	2001-10-10
Expires	2026-12-31 (71d)

🔗 Same registrant#

18 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
atelierreve.dk	Eurodns S.A
b-young.dk	Eurodns S.A
cream-clothing.dk	Eurodns S.A
dkccapital.dk	Eurodns S.A
dranella.dk	Eurodns S.A
dsmoutlet.dk	Eurodns S.A
firstcompany.dk	Eurodns S.A
fransa-stores.dk	Eurodns S.A
fransa.dk	Eurodns S.A
fransakids.dk	Eurodns S.A
fromlou.dk	Eurodns S.A
geztus.dk	Eurodns S.A
kaffe-clothing.dk	Eurodns S.A
kaffeclothing.dk	Eurodns S.A
kon-mon.dk	Eurodns S.A
myessentialwardrobe.dk	Eurodns S.A
pulzudsalg.dk	Eurodns S.A
sirup.dk	Eurodns S.A

📋 WHOIS#

⏱️ Lookup Timing#

33ms

35ms

39ms

AAAA

36ms

TXT

175ms

CAA

38ms

HTTPS

35ms

TLSA

569ms

SOA

46ms

MTA-STS

50ms

DNSSEC

66ms

SRV

55ms

Total

1017ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 13:06:35	1024ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-16 13:03:49	1163ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-14 06:47:52 shown	1017ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-13 06:17:52	1264ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-12 03:33:53	1088ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-11 02:54:58	1235ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 22:53:47	739ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 09:04:12	986ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 02:22:58	1282ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-14 06:54:51	5950ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-12 12:30:34	3555ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-31 22:32:01	3038ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-01 20:58:46	1846ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 18:25:24	786ms	2 NS 2 A 1 MX	🔓 Insecure