probyte.dk DNS records

🖥️ Nameservers2 records 79ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 87ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.48.200.126	43200s	—	AS3292	TDC Holding A/S	87.48.0.0/13	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 94ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	probyte-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::3 2a01:111:f403:ca09::9 2a01:111:f403:ca09::b 52.101.103.137 52.101.68.39 52.101.73.123 52.101.73.2	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-as9pr07cu00302.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
🔶 Autoconfig	hkklweb01.byteweb.dk → 91.207.2.60

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 4070ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	10	5061	sipfed.online.lync.com

📝 TXT Records2 records 2200ms

TXT Record
MS=ms51203570
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.probyte.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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.probyte.dk	hkklweb01.byteweb.dk

🔗 TLSA / DANE

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

🔐 DNSSEC144ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

79ms

A

87ms

MX

94ms

AAAA

94ms

TXT

2200ms

CAA

91ms

HTTPS

93ms

TLSA

647ms

SOA

0ms

MTA-STS

2102ms

DNSSEC

144ms

SRV

4070ms

Total

7270ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 17:33:47	7270ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 11:55:51	1345ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 08:25:18	9154ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 09:36:15	9136ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 05:00:37	1524ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 17:47:19	1010ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 14:48:11	846ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 21:02:03	3098ms	2 NS 1 A 1 MX	🔒 Secure	View