jg-byg.dk

📜 Historical scan 2026-06-18 08:54:12 · ← 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 976ms

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 680ms

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

📧 MX Records#

1 records 241ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	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 → 52.98.149.136
🔶 Autoconfig	188.114.97.1

🔷 AAAA Records (IPv6)#

2 records 827ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:4dea	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d494	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 289ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.77.234,172.67.212.148 ech=AEX+DQBBGAAgACDW1GZR9hru+FihavF8Ivc7aBei9NRjU8+yljAtq2M/DQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4dea,2606:4700:3035::ac43:d494

📝 TXT Records#

1 records 1536ms

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#

1418ms

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

🏷️ SOA#

274ms

Field	Value
Serial	2405286968
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 (8d)

🔗 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#

976ms

680ms

241ms

AAAA

827ms

TXT

1536ms

CAA

475ms

HTTPS

289ms

TLSA

759ms

SOA

274ms

MTA-STS

679ms

DNSSEC

1418ms

SRV

383ms

Total

18869ms

🕐 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	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 shown	18869ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 08:10:06	40350ms	2 NS 2 A 1 MX	🔓 Insecure