jg-byg.dk

📜 Historical scan 2026-09-30 18:23:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jg-byg.dk is a .dk domain served by 2 nameservers (chris.ns.cloudflare.com, pam.ns.cloudflare.com). It was registered on 30 October 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.77.234 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by jgbyg-dk0e.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 45ms

Nameserver	IP addresses	PTR	ASN / ISP
chris.ns.cloudflare.com	108.162.193.85 172.64.33.85 173.245.59.85 2606:4700:58::adf5:3b55 2803:f800:50::6ca2:c155 2a06:98c1:50::ac40:2155	chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
pam.ns.cloudflare.com	108.162.192.138 172.64.32.138 173.245.58.138 2606:4700:50::adf5:3a8a 2803:f800:50::6ca2:c08a 2a06:98c1:50::ac40:208a	pam.ns.cloudflare.com pam.ns.cloudflare.com pam.ns.cloudflare.com pam.ns.cloudflare.com pam.ns.cloudflare.com pam.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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.77.234	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.212.148	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jgbyg-dk0e.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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 → 40.104.116.24
🔶 Autoconfig	172.67.212.148

🔷 AAAA Records (IPv6)#

2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:4dea	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:d494	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=104.21.77.234,172.67.212.148 ech=AEX+DQBBiwAgACCLF6PJdl8GShbwHdy9bDUhXsYaw0Dzjw4BVz/THOM2FQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:4dea,2606:4700:3036::ac43:d494

📝 TXT Records#

1 records 181ms

TXT Record
v=spf1 include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (jg-byg.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.jg-byg.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:jg-byg.dk@rua.dmarcdkim.io; ruf=mailto:jg-byg.dk@ruf.dmarcdkim.io; adkim=s; aspf=r; ri=3600; fo=1:d:s

📬 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 2026-10-12 18:56:34

www	104.21.77.234 172.67.212.148 2606:4700:3034::6815:4dea 2606:4700:3036::ac43:d494 (AS13335) (address records, no CNAME)
www vs bare domain	Same network jg-byg.dk: 104.21.77.234 172.67.212.148 2606:4700:3034::6815:4dea 2606:4700:3036::ac43:d494 (AS13335) www.jg-byg.dk: 104.21.77.234 172.67.212.148 2606:4700:3034::6815:4dea 2606:4700:3036::ac43:d494 (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-jgbyg-dk0e._domainkey.jgbyg22.q-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-jgbyg-dk0e._domainkey.jgbyg22.q-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#

70ms

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

🏷️ SOA#

53ms

Field	Value
Serial	2415115232
Primary NS (MNAME)	chris.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 18:12:22

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-10-30
Expires	2026-10-29 (4d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

45ms

42ms

38ms

AAAA

37ms

TXT

181ms

CAA

36ms

HTTPS

35ms

TLSA

255ms

SOA

53ms

MTA-STS

59ms

DNSSEC

70ms

SRV

66ms

Total

702ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 18:56:34	1063ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-11 17:42:38	1453ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-09 12:25:46	1252ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 18:23:37 shown	702ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-22 10:34:44	1918ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 01:14:10	1603ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-14 09:41:08	1907ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-21 08:24:59	1518ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 13:17:42	1555ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 09:06:52	18272ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 08:54:12	18869ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 08:10:06	40350ms	2 NS 2 A 1 MX	🔓 Insecure