telecomsupplier.dk DNS records

🖥️ Nameservers3 records 80ms

Nameserver	IP addresses	PTR	ASN / ISP
nsa.byte.nl	46.21.228.110	nsa.byte.nl	AS34762 Combell NV
nsb.byte.nl	46.21.225.222	nsb.byte.nl	AS34762 Combell NV
nsc.byte.nl	87.238.161.15	nsc.byte.nl	AS34762 Combell NV

🌍 A Records1 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
83.217.88.224	600s	83.217.88.224.static.hosted.by.combell.com	AS34762	Combell NV	83.217.80.0/20	🇧🇪 Belgium	—

📧 MX Records1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	telecomsupplier-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09::2 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.68.25 52.101.73.1 52.101.73.19 52.101.73.6	mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 232ms

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

📝 TXT Records3 records 370ms

TXT Record
MS=ms79552087
MS=ms97510963
v=spf1 include:spf.protection.outlook.com include:spf.ssa.hypernode.io -all

✉️ SPF

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

🔗 TLSA / DANE

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

🔐 DNSSEC118ms

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

🏷️ SOA87ms

Field	Value
Serial	2003030410
Primary NS (MNAME)	nsa.byte.nl
Responsible (RNAME)	hostmaster@byte.nl
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

80ms

A

60ms

MX

55ms

AAAA

70ms

TXT

370ms

CAA

104ms

HTTPS

77ms

TLSA

304ms

SOA

87ms

MTA-STS

81ms

DNSSEC

118ms

SRV

232ms

Total

1055ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-23 03:29:01	1055ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 05:36:51	888ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 12:02:47	3243ms	3 NS 1 A 1 MX	🔓 Insecure	View