tfbyg.dk

Records from scan: 2026-09-30 21:39:53 · 812ms total · last checked 2026-10-18 16:08 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tfbyg.dk is a .dk domain served by 4 nameservers (ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and 1 more). It was registered on 23 November 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 40.127.171.115 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by tfbyg-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bdm.microsoftonline.com	13.107.236.208 2603:1061:0:700::d0	ns1-208.azure-dns.com ns1-208.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2.bdm.microsoftonline.com	150.171.21.208 2620:1ec:8ec:700::d0	ns2-208.azure-dns.net ns2-208.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3.bdm.microsoftonline.com	204.14.183.208 2a01:111:4000:700::d0	ns3-208.azure-dns.org ns3-208.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4.bdm.microsoftonline.com	208.84.5.208 2620:1ec:bda:700::d0	ns4-208.azure-dns.info ns4-208.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
40.127.171.115	3600s	—	AS8075	Microsoft Corporation	40.127.0.0/16	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tfbyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::24 2a01:111:f403:ca38::8 2a01:111:f403:ca48::e 52.101.181.156 52.101.68.12 52.101.68.29 52.101.91.162	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-matpr04cu00302.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 61ms

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

📝 TXT Records#

2 records 173ms

TXT Record
mscid=BaIEjw1UxEbmxfkLkPkRpEIg+ugDIUHV2jdG22QldMHKybNZhaKgS/M6rjD6RE5vwMZFHISgJrWvdJHXgJznUg==
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (tfbyg.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

🧩 Web & zone#

checked 2026-09-30 21:39:53

www	Exists, no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

77ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

45ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1.bdm.microsoftonline.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-19 03:50:35

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-11-23
Expires	2026-11-30 (42d)

🔗 Same registrant#

46 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
allmechs.dk	Punktum dk A/S (direct)
ametekpittman.dk	CURANET A/S
b2a.dk	CURANET A/S
b2e.dk	CURANET A/S
belekboys.dk	Punktum dk A/S (direct)
biketheworld.dk	CURANET A/S
broagermotionsklub.dk	Punktum dk A/S (direct)
cleancluster.dk	Punktum dk A/S (direct)
compenso.dk	Punktum dk A/S (direct)
dc-motor.dk	CURANET A/S
dcmotor.dk	CURANET A/S
deltaline-europe.dk	Punktum dk A/S (direct)
docx.dk	Punktum dk A/S (direct)
emdahl.dk	Punktum dk A/S (direct)
flexrengoring.dk	CURANET A/S
flytteboxen.dk	Punktum dk A/S (direct)
gefegneckar.dk	CURANET A/S
golfnbeer.dk	Punktum dk A/S (direct)
gølferne.dk	Punktum dk A/S (direct)
inno-oil.dk	Punktum dk A/S (direct)
interdrive.dk	CURANET A/S
it-link.dk	Punktum dk A/S (direct)
itlk.dk	Punktum dk A/S (direct)
kaertelt.dk	Punktum dk A/S (direct)
kaerteltudlejning.dk	Punktum dk A/S (direct)
krfnd.dk	Punktum dk A/S (direct)
mhvf.dk	CURANET A/S
net365.dk	Punktum dk A/S (direct)
outdoor-tours.dk	Punktum dk A/S (direct)
pcparts.dk	Punktum dk A/S (direct)
portescap.dk	CURANET A/S
q1.dk	CURANET A/S
sandbjergvej.dk	Punktum dk A/S (direct)
sandgrus.dk	Punktum dk A/S (direct)
skivegaard.dk	Punktum dk A/S (direct)
soenderborg-haandbold.dk	Punktum dk A/S (direct)
sonderborg-haandbold.dk	Punktum dk A/S (direct)
sonderborg-kokken.dk	Punktum dk A/S (direct)
sydalshk.dk	Punktum dk A/S (direct)
thomsonlinear.dk	CURANET A/S
tolw.dk	Punktum dk A/S (direct)
trace-im4.dk	Punktum dk A/S (direct)
vento-media.dk	Punktum dk A/S (direct)
villetta.dk	CURANET A/S
vvst.dk	CURANET A/S
xplorer.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

33ms

37ms

AAAA

38ms

TXT

173ms

CAA

49ms

HTTPS

37ms

TLSA

364ms

SOA

45ms

MTA-STS

50ms

DNSSEC

77ms

SRV

61ms

Total

812ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 21:39:53 shown	812ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-26 21:06:23	1026ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-16 13:51:29	1024ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-27 20:42:52	1158ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-25 01:55:29	2192ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 14:06:51	2178ms	4 NS 1 A 1 MX	🔓 Insecure