j-dahl.dk

📜 Historical scan 2026-07-21 01:50:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

j-dahl.dk is a .dk domain served by 2 nameservers (jimmy.ns.cloudflare.com, saanvi.ns.cloudflare.com). It was registered on 28 April 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.50.144 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by jdahl-dk0c.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 32ms

Nameserver	IP addresses	PTR	ASN / ISP
jimmy.ns.cloudflare.com	108.162.195.76 162.159.44.76 172.64.35.76 2606:4700:58::a29f:2c4c 2803:f800:50::6ca2:c34c 2a06:98c1:50::ac40:234c	jimmy.ns.cloudflare.com jimmy.ns.cloudflare.com jimmy.ns.cloudflare.com jimmy.ns.cloudflare.com jimmy.ns.cloudflare.com jimmy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
saanvi.ns.cloudflare.com	108.162.194.80 162.159.38.80 172.64.34.80 2606:4700:50::a29f:2650 2803:f800:50::6ca2:c250 2a06:98c1:50::ac40:2250	saanvi.ns.cloudflare.com saanvi.ns.cloudflare.com saanvi.ns.cloudflare.com saanvi.ns.cloudflare.com saanvi.ns.cloudflare.com saanvi.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
104.21.50.144	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.207.1	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	jdahl-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::d 2a01:111:f403:ca04::f 2a01:111:f403:ca09::b 52.101.68.10 52.101.68.16 52.101.68.25 52.101.73.26	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-as9pr05cu01302.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	104.21.50.144

🔷 AAAA Records (IPv6)#

2 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:3290	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:cf01	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.50.144,172.67.207.1 ech=AEX+DQBBNAAgACAO2xEoDE3jaX3sUZ1sFw9qGZKR9FjYpEdIYM7C6eftagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3290,2606:4700:3033::ac43:cf01

🔌 SRV Records#

1 records 81ms

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

📝 TXT Records#

4 records 184ms

TXT Record
google-site-verification=FSUTpuBQzLHVAMuz3-NDJQ8PV2vl0CBgE2yqju9E5ks
google-site-verification=qZu7WQv7K16tT7g5WlEyeW2A4lIKGqz5B2c69sdICrQ
MS=ms22368184
v=spf1 ip4:83.89.249.106 include:spf.protection.outlook.com include:sendgrid.net include:_spf.mailersend.net ~all

✉️ SPF#

Policy	Record (j-dahl.dk)
~all (soft fail)	v=spf1 ip4:83.89.249.106 include:spf.protection.outlook.com include:sendgrid.net include:_spf.mailersend.net ~all

📨 DMARC#

Policy	Record (_dmarc.j-dahl.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:re+l4uafxdrbuy@dmarc.postmarkapp.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 05:48:09

www	104.21.50.144 172.67.207.1 2606:4700:3030::6815:3290 2606:4700:3033::ac43:cf01 (AS13335) (address records, no CNAME)
www vs bare domain	Same network j-dahl.dk: 104.21.50.144 172.67.207.1 2606:4700:3030::6815:3290 2606:4700:3033::ac43:cf01 (AS13335) www.j-dahl.dk: 104.21.50.144 172.67.207.1 2606:4700:3030::6815:3290 2606:4700:3033::ac43:cf01 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u15414743.wl244.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u15414743.wl244.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector2	selector2-jdahl-dk0c._domainkey.werenskiold.onmicrosoft.com	RSA · ~1024 bit below 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: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

58ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2409958542
Primary NS (MNAME)	jimmy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 06:03:39

Field	Value
Registrar	Simply.com A/S
Registered	2005-04-28
Expires	2027-04-30 (192d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

35ms

33ms

AAAA

31ms

TXT

184ms

CAA

30ms

HTTPS

32ms

TLSA

371ms

SOA

0ms

MTA-STS

49ms

DNSSEC

58ms

SRV

81ms

Total

1575ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 05:48:09	1733ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-15 03:26:38	3330ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-29 23:42:38	1567ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-06 21:07:51	2184ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 05:29:51	1275ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-19 06:52:07	10689ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-18 05:48:43	1792ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-17 02:50:58	4655ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-12 19:57:35	4226ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-21 01:50:49 shown	1575ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-27 02:47:09	1166ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-26 02:09:08	920ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-21 05:32:49	1360ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 12:18:18	1513ms	2 NS 2 A 1 MX	🔒 Secure