ferle.dk

📜 Historical scan 2026-09-20 22:13:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ferle.dk is a .dk domain served by 2 nameservers (karl.ns.cloudflare.com, ziggy.ns.cloudflare.com). It was registered on 29 July 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.57.22 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ferle-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 32ms

Nameserver	IP addresses	PTR	ASN / ISP
karl.ns.cloudflare.com	108.162.193.190 172.64.33.190 173.245.59.190 2606:4700:58::adf5:3bbe 2803:f800:50::6ca2:c1be 2a06:98c1:50::ac40:21be	karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ziggy.ns.cloudflare.com	108.162.194.237 162.159.38.237 172.64.34.237 2606:4700:50::a29f:26ed 2803:f800:50::6ca2:c2ed 2a06:98c1:50::ac40:22ed	ziggy.ns.cloudflare.com ziggy.ns.cloudflare.com ziggy.ns.cloudflare.com ziggy.ns.cloudflare.com ziggy.ns.cloudflare.com ziggy.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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.57.22	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.140.157	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	ferle-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::7 2a01:111:f403:ca48::10 2a01:111:f403:ca48::e 52.101.103.39 52.101.209.31 52.101.73.123 52.101.73.155	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 52.98.149.152
🔶 Autoconfig	104.21.57.22

🔷 AAAA Records (IPv6)#

2 records 28ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:3916	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:8c9d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 30ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.57.22,172.67.140.157 ech=AEX+DQBBtgAgACCafzqTEyqKpoV7Qqpi0bWPkwcFA18QCLtTFQ3FA2HPFAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3916,2606:4700:3037::ac43:8c9d

📝 TXT Records#

3 records 166ms

TXT Record
google-site-verification=yCallCiqBczsM8wI5Zx0pTqdPuUB0eVhAAIkvQU49pA
MS=ms44494528
v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com include:spf.mailanyone.net include:d53c.emsend5.com ip4:49.12.131.18 -all

✉️ SPF#

Policy	Record (ferle.dk)
-all (hard fail)	v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com include:spf.mailanyone.net include:d53c.emsend5.com ip4:49.12.131.18 -all

📨 DMARC#

Policy	Record (_dmarc.ferle.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:654b9fbb21d88@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 15:35:07

www	104.21.57.22 172.67.140.157 2606:4700:3030::6815:3916 2606:4700:3037::ac43:8c9d (AS13335) (address records, no CNAME)
www vs bare domain	Same network ferle.dk: 104.21.57.22 172.67.140.157 2606:4700:3030::6815:3916 2606:4700:3037::ac43:8c9d (AS13335) www.ferle.dk: 104.21.57.22 172.67.140.157 2606:4700:3030::6815:3916 2606:4700:3037::ac43:8c9d (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-ferle-dk._domainkey.ferledk.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-ferle-dk._domainkey.ferledk.onmicrosoft.com	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: 4/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ferle.dk	bFDiPSQ3MKYA-455YPNGQ38Sp4ZXyvKZyZTqsjwjy9M
TXT	_acme-challenge.ferle.dk	iOhbYF4K0onXiso3_hBEoD12tAaotLDrU5uBvTjexyg

🔗 TLSA / DANE#

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

🔐 DNSSEC#

112ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415296477
Primary NS (MNAME)	karl.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 22:39:45

Field	Value
Registrar	Simply.com A/S
Registered	1999-07-29
Expires	2027-09-30 (346d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

34ms

44ms

AAAA

28ms

TXT

166ms

CAA

61ms

HTTPS

30ms

TLSA

373ms

SOA

0ms

MTA-STS

53ms

DNSSEC

112ms

SRV

90ms

Total

1708ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 22:20:53	2471ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 17:31:58	850ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 20:37:47	2694ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 00:23:15	929ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 22:13:27 shown	1708ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-14 12:52:50	1330ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 12:52:36	3561ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-09 08:30:01	2429ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-22 22:23:37	1221ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 16:39:51	1213ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 04:55:46	1251ms	2 NS 2 A 1 MX	⚠️ Bogus
2026-06-17 10:07:28	16109ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 10:06:47	1152ms	2 NS 2 A 1 MX	🔓 Insecure