feltplan.dk

📜 Historical scan 2026-06-20 12:39:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

feltplan.dk is a .dk domain served by 2 nameservers (ivan.ns.cloudflare.com, ruth.ns.cloudflare.com). It was registered on 8 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.51.171 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by feltplan-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ivan.ns.cloudflare.com	108.162.193.120 172.64.33.120 173.245.59.120 2606:4700:58::adf5:3b78 2803:f800:50::6ca2:c178 2a06:98c1:50::ac40:2178	ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ruth.ns.cloudflare.com	108.162.192.143 172.64.32.143 173.245.58.143 2606:4700:50::adf5:3a8f 2803:f800:50::6ca2:c08f 2a06:98c1:50::ac40:208f	ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.51.171	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.183.4	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	feltplan-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::a 2a01:111:f403:ca04::e 2a01:111:f403:ca09::d 52.101.73.1 52.101.73.12 52.101.73.153 52.101.73.4	mail-db4pr02cu00406.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

2 records 64ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::1	600s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::1	600s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.51.171,172.67.183.4 ech=AEX+DQBByQAgACBfFJ0KAJ0uunFBmbj/ssUxt3DWNhqYmNcmabs/F0pALQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b704,2606:4700:3031::6815:33ab

📝 TXT Records#

2 records 190ms

TXT Record
MS=ms56475927
v=spf1 include:spf.protection.outlook.com ~all

✉️ SPF#

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

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-13 14:34:29

www	104.21.51.171 172.67.183.4 2606:4700:3030::ac43:b704 2606:4700:3031::6815:33ab (AS13335) (address records, no CNAME)
www vs bare domain	Same network feltplan.dk: 104.21.51.171 172.67.183.4 2606:4700:3030::ac43:b704 2606:4700:3031::6815:33ab (AS13335) www.feltplan.dk: 104.21.51.171 172.67.183.4 2606:4700:3030::ac43:b704 2606:4700:3031::6815:33ab (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-feltplan-dk._domainkey.c16k.r-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-feltplan-dk._domainkey.c16k.r-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#

60ms

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

🏷️ SOA#

52ms

Field	Value
Serial	2403814717
Primary NS (MNAME)	ivan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 00:37:29

Field	Value
Registrar	ONE.COM A/S
Registered	2026-05-08
Expires	2027-05-07 (200d)

🔗 Same registrant#

15 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).

Domain	Registrar
arbejdsordre.dk	ONE.COM A/S
arbejdsordrer.dk	ONE.COM A/S
c16k.dk	Punktum dk A/S (direct)
driftssystem.dk	ONE.COM A/S
fakturagrundlag.dk	ONE.COM A/S
felt-plan.dk	ONE.COM A/S
feltopgave.dk	ONE.COM A/S
feltplanner.dk	ONE.COM A/S
feltrapport.dk	ONE.COM A/S
feltstyring.dk	ONE.COM A/S
fieldplan.dk	ONE.COM A/S
fotodokumentation.dk	ONE.COM A/S
servicearbejde.dk	ONE.COM A/S
serviceordre.dk	ONE.COM A/S
serviceordrer.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

41ms

44ms

41ms

AAAA

64ms

TXT

190ms

CAA

42ms

HTTPS

49ms

TLSA

572ms

SOA

52ms

MTA-STS

42ms

DNSSEC

60ms

SRV

96ms

Total

1122ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 14:34:29	1433ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-07 22:19:55	1288ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-04 11:49:39	870ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-30 08:48:30	2604ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-29 05:06:14	2095ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 02:43:03	1280ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 08:16:26	1364ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-24 13:53:12	2282ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-08 17:57:39	9320ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-06 09:33:00	1877ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-04 15:11:10	1699ms	2 NS 2 A 1 MX	❓ Unknown
2026-06-28 21:20:45	1411ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-28 18:52:42	1080ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 12:39:42 shown	1122ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 11:17:37	1022ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 10:18:13	3574ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 10:03:05	4374ms	2 NS 2 A 1 MX	🔓 Insecure