flbuur.dk DNS records

🖥️ Nameservers2 records 63ms

Nameserver	IP addresses	PTR	ASN / ISP
jihoon.ns.cloudflare.com	108.162.195.233 162.159.44.233 172.64.35.233 2606:4700:58::a29f:2ce9 2803:f800:50::6ca2:c3e9 2a06:98c1:50::ac40:23e9	jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
june.ns.cloudflare.com	108.162.192.176 172.64.32.176 173.245.58.176 2606:4700:50::adf5:3ab0 2803:f800:50::6ca2:c0b0 2a06:98c1:50::ac40:20b0	june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.130	300s	linux102.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	flbuur-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::c 2a01:111:f403:ca09::4 2a01:111:f403:ca09::d 52.101.68.5 52.101.73.11 52.101.73.2 52.101.73.24	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 106ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	5	10	5061	sipfed.online.lync.com

📝 TXT Records2 records 276ms

TXT Record
v=DMARC1; p=none
v=spf1 include:spf.protection.outlook.com include:spf.onlinemail.io -all

✉️ SPF

Policy	Record (flbuur.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.onlinemail.io -all

📨 DMARC

Policy	Record (_dmarc.flbuur.dk)
p=reject	v=DMARC1; p=reject; sp=none; adkim=r; aspf=r; fo=1; rf=afrf; rua=mailto:dmarc@cloudpit.dk; ruf=mailto:dmarc@cloudpit.dk; pct=100; ri=86400

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.flbuur.dk	L3WxtmkLM67BrKxCskgfQuep7THiGk-CHRoGIbQsRcY
TXT	_acme-challenge.flbuur.dk	M0-LaN2P4pUC8DFEeCfcwB7UfnNM80UK7v4uTIbM2D8

🔗 TLSA / DANE

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

🔐 DNSSEC85ms

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

🏷️ SOA0ms

Field	Value
Serial	2412957024
Primary NS (MNAME)	jihoon.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

63ms

A

35ms

MX

55ms

AAAA

64ms

TXT

276ms

CAA

47ms

HTTPS

69ms

TLSA

194ms

SOA

0ms

MTA-STS

69ms

DNSSEC

85ms

SRV

106ms

Total

1568ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 02:28:37	1568ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 22:21:52	13730ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 15:39:20	2353ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 17:09:25	1355ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 20:18:43	1590ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 14:34:54	1991ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 07:38:55	7896ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 14:11:53	1302ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:15:49	3452ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:14:29	1418ms	2 NS 1 A 1 MX	🔒 Secure	View