dfmb.dk DNS records

🖥️ Nameservers2 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
jeremy.ns.cloudflare.com	108.162.193.180 172.64.33.180 173.245.59.180 2606:4700:58::adf5:3bb4 2803:f800:50::6ca2:c1b4 2a06:98c1:50::ac40:21b4	jeremy.ns.cloudflare.com jeremy.ns.cloudflare.com jeremy.ns.cloudflare.com jeremy.ns.cloudflare.com jeremy.ns.cloudflare.com jeremy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kate.ns.cloudflare.com	108.162.192.124 172.64.32.124 173.245.58.124 2606:4700:50::adf5:3a7c 2803:f800:50::6ca2:c07c 2a06:98c1:50::ac40:207c	kate.ns.cloudflare.com kate.ns.cloudflare.com kate.ns.cloudflare.com kate.ns.cloudflare.com kate.ns.cloudflare.com kate.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.60.117	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.196.35	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	120s	mx1.emailsrvr.com	173.203.187.1	mx1.emailsrvr.com	AS27357 Rackspace Hosting
20	120s	mx2.emailsrvr.com	146.20.161.2	mx2.emailsrvr.com	AS27357 Rackspace Hosting

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.196.35

🔷 AAAA Records (IPv6)2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:3c75	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:c423	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.60.117,172.67.196.35 ech=AEX+DQBBEAAgACA7If8rNglk9KVKZETb+2qIlzSUhPBSk880QdeYlfeJcwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:3c75,2606:4700:3037::ac43:c423

📝 TXT Records1 records 207ms

TXT Record
v=spf1 include:emailsrvr.com include:spf.mailjet.com ~all

✉️ SPF

Policy	Record (dfmb.dk)
~all (soft fail)	v=spf1 include:emailsrvr.com include:spf.mailjet.com ~all

📨 DMARC

Policy	Record (_dmarc.dfmb.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:pgramstrup@gmail.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

🔗 TLSA / DANE

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

🔐 DNSSEC116ms

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	2409575916
Primary NS (MNAME)	jeremy.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

46ms

A

59ms

MX

55ms

AAAA

43ms

TXT

207ms

CAA

42ms

HTTPS

43ms

TLSA

112ms

SOA

0ms

MTA-STS

80ms

DNSSEC

116ms

SRV

72ms

Total

1099ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 00:29:56	1099ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-15 11:16:30	1375ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-07 12:48:07	5675ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-25 19:22:43	2477ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-23 06:51:36	1019ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 02:35:25	762ms	2 NS 2 A 2 MX	🔓 Insecure	View