fibyg.dk DNS records

🖥️ Nameservers2 records 213ms

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 201ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.10	300s	—	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 217ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fibyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::7 2a01:111:f403:ca04::9 2a01:111:f403:ca09::b 52.101.68.18 52.101.68.25 52.101.68.5 52.101.73.30	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.24
🔶 Autoconfig	77.111.240.10

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 267ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 447ms

TXT Record
MS=ms13529819
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.fibyg.dk	fibyg.dk.acme.webpod9-cph3.one.com

🔗 TLSA / DANE

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

🔐 DNSSEC244ms

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	2410907159
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

213ms

A

201ms

MX

217ms

AAAA

173ms

TXT

447ms

CAA

168ms

HTTPS

197ms

TLSA

528ms

SOA

0ms

MTA-STS

214ms

DNSSEC

244ms

SRV

267ms

Total

2449ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-06 10:31:16	2449ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-04 18:16:49	7558ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-02 19:29:56	1562ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-21 16:45:01	9229ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 05:15:27	1077ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 12:12:33	1085ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 14:09:29	870ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 10:13:06	3860ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 10:05:01	1477ms	2 NS 1 A 1 MX	🔓 Insecure	View