renzgroup.dk

📜 Historical scan 2026-06-17 13:34:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

renzgroup.dk is a .dk domain served by 3 nameservers (ns.udag.de, ns.udag.net, ns.udag.org). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.47.83.251 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail1.renzgroup.com, mail2.renzgroup.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 88ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.udag.de	2001:8d8:fe:53:217:160:80:253 217.160.80.253	ns.udag.de ns.udag.de	AS8560 IONOS SE AS8560 IONOS SE
ns.udag.net	185.132.33.253 2607:f1c0:fe:53:185:132:33:253	ns.udag.net ns.udag.net	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited
ns.udag.org	185.132.34.253 2607:f1c0:fe:53:185:132:34:253	ns.udag.org ns.udag.org	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited

🌍 A Records#

1 records 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.47.83.251	—	dedi6802.your-server.de	AS24940	Hetzner Online GmbH	78.46.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records#

2 records 100ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail1.renzgroup.com	217.7.26.227	mail1.renzgroup.com	AS3320 Deutsche Telekom AG
20	—	mail2.renzgroup.com	80.156.235.162	mail2.renzgroup.com	AS3320 Deutsche Telekom AG

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 267ms

TXT Record
v=spf1 mx ip4:91.250.242.102/32 ip4:202.61.240.102/32 ip4:80.156.235.164/32 ip4:62.153.79.133/32 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (renzgroup.dk)
-all (hard fail)	v=spf1 mx ip4:91.250.242.102/32 ip4:202.61.240.102/32 ip4:80.156.235.164/32 ip4:62.153.79.133/32 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.renzgroup.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 23:42:30

www	78.47.83.251 (AS24940) (address records, no CNAME)
www vs bare domain	Same network renzgroup.dk: 78.47.83.251 (AS24940) www.renzgroup.dk: 78.47.83.251 (AS24940)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

234ms

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

🏷️ SOA#

110ms

Field	Value
Serial	2023061329
Primary NS (MNAME)	ns.udag.de
Responsible (RNAME)	hostmaster@united-domains.de
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

88ms

61ms

100ms

AAAA

79ms

TXT

267ms

CAA

66ms

HTTPS

84ms

TLSA

190ms

SOA

110ms

MTA-STS

112ms

DNSSEC

234ms

SRV

0ms

Total

1652ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 05:49:39	911ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-28 08:54:12	9932ms	3 NS 1 A 2 MX	🔓 Insecure
2026-07-01 06:09:53	1006ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-27 09:00:47	922ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-20 19:07:26	1259ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-20 16:29:06	1262ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-20 07:16:16	1765ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-17 13:34:44 shown	1652ms	3 NS 1 A 2 MX	🔓 Insecure