promotron.dk DNS records

🖥️ Nameservers5 records 84ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.gransy.com	2001:19f0:5001:1caf:5400:1ff:fec5:8d50 45.76.90.43 77.78.104.149 95.179.136.180	— 45.76.90.43.vultrusercontent.com ns.gransy.com 95.179.136.180.vultrusercontent.com	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC AS15685 CASABLANCA INT a.s. AS20473 The Constant Company, LLC
ns2.gransy.com	2001:19f0:6801:474:5400:1ff:fec5:8efb 2001:19f0:7401:81e0:5400:1ff:fec5:8ef6 217.16.185.221 217.69.4.49 95.179.192.121	— — ns2.gransy.com 217.69.4.49.vultrusercontent.com 95.179.192.121.vultrusercontent.com	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC AS43541 VSHosting s.r.o. AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC
ns3.gransy.com	109.74.7.71 2a02:750:7::2e7 2a02:750:8::32 46.21.100.103 77.78.126.35	109-74-7-71-static.glesys.net 2a02-750-7--2e7-static.glesys.net 2a02-750-8--32-static.glesys.net 46-21-100-103-static.glesys.net —	AS42708 Glesys AB AS42708 Glesys AB AS42708 Glesys AB AS42708 Glesys AB AS15685 CASABLANCA INT a.s.
ns4.gransy.com	2001:19f0:5401:69b:5400:1ff:fec5:8f3f 2a00:1a28:2010:1::89 66.42.94.136 80.67.7.209	— 2a00-1a28-2010-1--89-static.glesys.net 66.42.94.136.vultrusercontent.com 80-67-7-209-static.glesys.net	AS20473 The Constant Company, LLC AS42708 Glesys AB AS20473 The Constant Company, LLC AS42708 Glesys AB
ns5.gransy.com	2a02:750:5::538 31.192.227.223	2a02-750-5--538-static.glesys.net 31-192-227-223-static.glesys.net	AS42708 Glesys AB AS42708 Glesys AB

🌍 A Records1 records 79ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.16.188.222	600s	zeus.promotron.com	AS43541	VSHosting s.r.o.	217.16.176.0/20	🇨🇿 Czechia	—

📧 MX Records1 records 89ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	mail.promotron.com	2603:1026:9::2 2603:1026:9:400::2 2603:1026:9:401::2 2603:1026:9:800::2 40.104.116.18 40.104.116.2 40.104.116.34 40.104.116.50	— — — — — — — —	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	zeus.promotron.com → 217.16.188.222
🔶 Autoconfig	zeus.promotron.com → 217.16.188.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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.promotron.dk	zeus.promotron.com

🔗 TLSA / DANE

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

🔐 DNSSEC2060ms

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

🏷️ SOA0ms

Field	Value
Serial	2783503293
Primary NS (MNAME)	ns.gransy.com
Responsible (RNAME)	root@gransy.com
Refresh	86400s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

84ms

A

79ms

MX

89ms

AAAA

211ms

TXT

713ms

CAA

143ms

HTTPS

108ms

TLSA

563ms

SOA

0ms

MTA-STS

161ms

DNSSEC

2060ms

SRV

255ms

Total

3214ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 10:33:34	3214ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-08 15:04:53	11283ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 02:30:41	4377ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 02:54:52	1923ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 01:02:02	7174ms	5 NS 1 A 1 MX	🔓 Insecure	View