rubtec.dk DNS records

🖥️ Nameservers3 records 100ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.dns-123.net	35.198.132.83	83.132.198.35.bc.googleusercontent.com	AS396982 Google LLC
ns5.dns-123.net	35.187.184.173	173.184.187.35.bc.googleusercontent.com	AS396982 Google LLC
ns6.dns-123.net	35.228.54.1	1.54.228.35.bc.googleusercontent.com	AS396982 Google LLC

🌍 A Records1 records 92ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
144.76.135.224	7200s	static01.bubbleweb.dk	AS24940	Hetzner Online GmbH	144.76.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 94ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rubtec-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::b 2a01:111:f403:ca09::6 2a01:111:f403:ca09::d 52.101.68.15 52.101.68.8 52.101.73.153 52.101.73.6	mail-db4pr02cu00307.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.8
🔶 Autoconfig	5.103.46.102

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 527ms

TXT Record
MS=ms86470604
v=spf1 ip4:94.231.104.176/32 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (rubtec.dk)
-all (hard fail)	v=spf1 ip4:94.231.104.176/32 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.rubtec.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC202ms

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

🏷️ SOA82ms

Field	Value
Serial	2011092850
Primary NS (MNAME)	ns4.dns-123.net
Responsible (RNAME)	admin@dns-123.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

100ms

A

92ms

MX

94ms

AAAA

97ms

TXT

527ms

CAA

90ms

HTTPS

95ms

TLSA

397ms

SOA

82ms

MTA-STS

98ms

DNSSEC

202ms

SRV

2066ms

Total

2885ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-19 13:28:42	2885ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 22:37:42	804ms	3 NS 1 A 1 MX	🔒 Secure	View