renzgroup.dk

📜 Historical scan 2026-06-20 07:16:16 · ← 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 55ms

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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.47.83.251	3600s	dedi6802.your-server.de	AS24940	Hetzner Online GmbH	78.46.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records#

2 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail1.renzgroup.com	217.7.26.227	mail1.renzgroup.com	AS3320 Deutsche Telekom AG
20	3600s	mail2.renzgroup.com	80.156.235.162	mail2.renzgroup.com	AS3320 Deutsche Telekom AG

📧 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

📝 TXT Records#

1 records 318ms

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#

128ms

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

🏷️ SOA#

44ms

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#

55ms

49ms

48ms

AAAA

59ms

TXT

318ms

CAA

46ms

HTTPS

56ms

TLSA

176ms

SOA

44ms

MTA-STS

81ms

DNSSEC

128ms

SRV

1339ms

Total

1765ms

🕐 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 shown	1765ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-17 13:34:44	1652ms	3 NS 1 A 2 MX	🔓 Insecure