nfdev.dk DNS records

🖥️ Nameservers2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
elmo.ns.cloudflare.com	108.162.193.163 172.64.33.163 173.245.59.163 2606:4700:58::adf5:3ba3 2803:f800:50::6ca2:c1a3 2a06:98c1:50::ac40:21a3	elmo.ns.cloudflare.com elmo.ns.cloudflare.com elmo.ns.cloudflare.com elmo.ns.cloudflare.com elmo.ns.cloudflare.com elmo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
venus.ns.cloudflare.com	108.162.192.235 172.64.32.235 173.245.58.235 2606:4700:50::adf5:3aeb 2803:f800:50::6ca2:c0eb 2a06:98c1:50::ac40:20eb	venus.ns.cloudflare.com venus.ns.cloudflare.com venus.ns.cloudflare.com venus.ns.cloudflare.com venus.ns.cloudflare.com venus.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.37.123	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.208.27	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	in1-smtp.messagingengine.com	103.168.172.216 103.168.172.217 103.168.172.218 103.168.172.219 103.168.172.220 103.168.172.221 103.168.172.222 103.168.172.223	phl-mx-01.messagingengine.com phl-mx-02.messagingengine.com phl-mx-03.messagingengine.com phl-mx-04.messagingengine.com phl-mx-05.messagingengine.com phl-mx-06.messagingengine.com phl-mx-07.messagingengine.com phl-mx-08.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd
20	300s	in2-smtp.messagingengine.com	202.12.124.216 202.12.124.217 202.12.124.218 202.12.124.219	stl-mx-01.messagingengine.com stl-mx-02.messagingengine.com stl-mx-03.messagingengine.com stl-mx-04.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd

🔷 AAAA Records (IPv6)2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:d01b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::6815:257b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.37.123,172.67.208.27 ech=AEX+DQBBiwAgACCth2dSoXRZeeC5AkD7MDY0oxO2DEdfVp6MSAKFGi97IAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:d01b,2606:4700:3031::6815:257b

📝 TXT Records1 records 174ms

TXT Record
v=spf1 include:spf.messagingengine.com include:sendgrid.net include:spf.swg-srv.net ~all

✉️ SPF

Policy	Record (nfdev.dk)
~all (soft fail)	v=spf1 include:spf.messagingengine.com include:sendgrid.net include:spf.swg-srv.net ~all

📨 DMARC

Policy	Record (_dmarc.nfdev.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:fc07f8dd923349e2bd3975d8c8bb1fe5@dmarc-reports.cloudflare.net,mailto:ndesoft-d@dmarc.report-uri.com; pct=10

📬 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)

🔐 DNSSEC128ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2410670569
Primary NS (MNAME)	elmo.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

36ms

A

34ms

MX

33ms

AAAA

33ms

TXT

174ms

CAA

41ms

HTTPS

47ms

TLSA

154ms

SOA

0ms

MTA-STS

60ms

DNSSEC

128ms

SRV

96ms

Total

1533ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 20:41:59	1548ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-26 20:39:04	798ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-25 16:33:16	2267ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-23 12:26:15	3184ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-18 00:26:58	4422ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-16 17:33:25	2246ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-12 23:05:38	2013ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-11 17:20:33	25683ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-10 14:11:39	3436ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-07 14:22:32	3575ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-01 19:46:08	17247ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-29 21:54:46	10712ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-28 03:14:44	1533ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-24 02:11:28	9412ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-22 22:54:26	1951ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-21 09:21:39	18561ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-15 14:34:46	25291ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-13 17:12:58	2332ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-05 20:33:08	25749ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-03 11:47:47	2988ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-02 17:21:22	25149ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-25 14:48:01	937ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-20 04:51:23	2951ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-18 02:39:05	992ms	2 NS 2 A 2 MX	🔒 Secure	View