jerlach.dk

📜 Historical scan 2026-08-27 17:22:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jerlach.dk is a .dk domain served by 2 nameservers (clara.ns.cloudflare.com, leland.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by jerlach-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 26ms

Nameserver	IP addresses	PTR	ASN / ISP
clara.ns.cloudflare.com	108.162.194.219 162.159.38.219 172.64.34.219 2606:4700:50::a29f:26db 2803:f800:50::6ca2:c2db 2a06:98c1:50::ac40:22db	clara.ns.cloudflare.com clara.ns.cloudflare.com clara.ns.cloudflare.com clara.ns.cloudflare.com clara.ns.cloudflare.com clara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
leland.ns.cloudflare.com	108.162.195.8 162.159.44.8 172.64.35.8 2606:4700:58::a29f:2c08 2803:f800:50::6ca2:c308 2a06:98c1:50::ac40:2308	leland.ns.cloudflare.com leland.ns.cloudflare.com leland.ns.cloudflare.com leland.ns.cloudflare.com leland.ns.cloudflare.com leland.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	jerlach-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::2 2a01:111:f403:ca04::5 2a01:111:f403:ca04::a 52.101.68.0 52.101.68.15 52.101.68.32 52.101.73.153	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.40
🔶 Autoconfig	87.52.104.215

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 147ms

TXT Record
MS=ms89466623
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (jerlach.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.jerlach.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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 08:06:00

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Only www resolves jerlach.dk: no address www.jerlach.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.jerlach.dk	56LJCek9Rn9ax1R4702XboEJ9prl_qz14xtRtIhRyL8
TXT	_acme-challenge.jerlach.dk	pW8Uf0wTYYZrI7VLX0VAkiozVaMAEYs1rVj41i4oO-k

🔗 TLSA / DANE#

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

🔐 DNSSEC#

103ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2413307841
Primary NS (MNAME)	clara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

26ms

27ms

52ms

AAAA

25ms

TXT

147ms

CAA

31ms

HTTPS

34ms

TLSA

354ms

SOA

0ms

MTA-STS

61ms

DNSSEC

103ms

SRV

54ms

Total

831ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 08:06:00	1889ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-08 00:10:56	928ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-30 02:00:08	687ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-20 12:17:15	1367ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-15 18:47:03	3775ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-29 23:37:11	1892ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-27 17:22:15 shown	831ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-12 14:57:02	6003ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-23 17:56:39	10881ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-20 00:10:06	1101ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-19 22:58:26	3903ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-18 02:16:49	1778ms	2 NS 0 A 1 MX	🔓 Insecure