felder.dk DNS records

🖥️ Nameservers2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
rocco.ns.cloudflare.com	108.162.195.121 162.159.44.121 172.64.35.121 2606:4700:58::a29f:2c79 2803:f800:50::6ca2:c379 2a06:98c1:50::ac40:2379	rocco.ns.cloudflare.com rocco.ns.cloudflare.com rocco.ns.cloudflare.com rocco.ns.cloudflare.com rocco.ns.cloudflare.com rocco.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sandra.ns.cloudflare.com	108.162.194.34 162.159.38.34 172.64.34.34 2606:4700:50::a29f:2622 2803:f800:50::6ca2:c222 2a06:98c1:50::ac40:2222	sandra.ns.cloudflare.com sandra.ns.cloudflare.com sandra.ns.cloudflare.com sandra.ns.cloudflare.com sandra.ns.cloudflare.com sandra.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.19.124	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.186.42	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx3.felder-group.com	80.92.126.18	mx3.felder-group.com	AS34347 HALLAG Kommunal GmbH
10	300s	mx4.felder-group.com	80.92.126.19	mx4.felder-group.com	AS34347 HALLAG Kommunal GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.186.42
🔶 Autoconfig	172.67.186.42

🔷 AAAA Records (IPv6)2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3037::6815:137c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:ba2a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 37ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.19.124,172.67.186.42 ech=AEX+DQBBagAgACDFlEgO7kkWlmaDopnRGSrAPVUkObbvtEtH2aTsMPdxSAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:137c,2606:4700:3037::ac43:ba2a

📝 TXT Records1 records 196ms

TXT Record
v=spf1 a mx ip4:80.92.126.240/32 ip4:80.92.126.241/32 ip4:80.92.126.21/32 ip4:80.92.126.18/32 ip4:80.92.126.19/32 ip4:80.92.117.58/32 ~all

✉️ SPF

Policy	Record (felder.dk)
~all (soft fail)	v=spf1 a mx ip4:80.92.126.240/32 ip4:80.92.126.241/32 ip4:80.92.126.21/32 ip4:80.92.126.18/32 ip4:80.92.126.19/32 ip4:80.92.117.58/32 ~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

🔗 TLSA / DANE

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

🔐 DNSSEC68ms

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

🏷️ SOA0ms

Field	Value
Serial	2410623032
Primary NS (MNAME)	rocco.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

32ms

A

47ms

MX

38ms

AAAA

38ms

TXT

196ms

CAA

44ms

HTTPS

37ms

TLSA

89ms

SOA

0ms

MTA-STS

59ms

DNSSEC

68ms

SRV

59ms

Total

1725ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-28 18:48:58	1725ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-19 07:48:03	1518ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 10:11:31	1314ms	2 NS 2 A 2 MX	🔓 Insecure	View