nielsen-soerensen.dk DNS records

🖥️ Nameservers2 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
bonnie.ns.cloudflare.com	108.162.192.76 172.64.32.76 173.245.58.76 2606:4700:50::adf5:3a4c 2803:f800:50::6ca2:c04c 2a06:98c1:50::ac40:204c	bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
hayes.ns.cloudflare.com	108.162.195.245 162.159.44.245 172.64.35.245 2606:4700:58::a29f:2cf5 2803:f800:50::6ca2:c3f5 2a06:98c1:50::ac40:23f5	hayes.ns.cloudflare.com hayes.ns.cloudflare.com hayes.ns.cloudflare.com hayes.ns.cloudflare.com hayes.ns.cloudflare.com hayes.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.20.223	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.194.181	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	localhost.fl-it.net	127.0.0.1	localhost	—

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.194.181
🔶 Autoconfig	104.21.20.223

🔷 AAAA Records (IPv6)2 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:14df	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:c2b5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.20.223,172.67.194.181 ech=AEX+DQBBBAAgACBTee12c8bqcLVL5ZxbWSFFeqHyVvBX94jVH6IsA5iVFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:14df,2606:4700:3034::ac43:c2b5

📝 TXT Records1 records 221ms

TXT Record
v=spf1 mx ip4:193.47.191.25 ip4:193.47.191.26 ip4:193.47.191.27 -all

✉️ SPF

Policy	Record (nielsen-soerensen.dk)
-all (hard fail)	v=spf1 mx ip4:193.47.191.25 ip4:193.47.191.26 ip4:193.47.191.27 -all

📨 DMARC

Policy	Record (_dmarc.nielsen-soerensen.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@fl-it.net; ruf=mailto:dmarc-forensic@fl-it.net; fo=1;

📬 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)

🔐 DNSSEC87ms

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

🏷️ SOA0ms

Field	Value
Serial	2412891644
Primary NS (MNAME)	bonnie.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

53ms

A

61ms

MX

50ms

AAAA

50ms

TXT

221ms

CAA

64ms

HTTPS

48ms

TLSA

121ms

SOA

0ms

MTA-STS

68ms

DNSSEC

87ms

SRV

96ms

Total

694ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 08:45:50	694ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-22 22:56:35	1817ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-31 13:09:34	1408ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-19 02:38:24	1898ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-09 01:31:24	2178ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-05 18:45:56	3491ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-27 07:18:29	1005ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-26 23:31:33	1742ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-17 13:40:26	2322ms	2 NS 2 A 1 MX	🔒 Secure	View