🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`referenceguide.de`

DNSSEC	⚠️ Not signed
A	89.31.143.90^{🇩🇪 UDAG89.31.143.0/24}
NS	`ns.udag.de` ⭐
		A	2001:8d8:fe:53:217:160:80:253^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns.udag.de`
		A	217.160.80.253^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns.udag.de`
NS	`ns.udag.net`
		A	2607:f1c0:fe:53:185:132:33:253^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns.udag.net`
		A	185.132.33.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.net`
NS	`ns.udag.org`
		A	2607:f1c0:fe:53:185:132:34:253^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns.udag.org`
		A	185.132.34.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.org`
MX	`mx00.udag.de` ⭐
		A	62.146.106.39^{🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH}
			PTR	`mx00.udag.de`
MX	`mx01.udag.de`⁽²⁰⁾
		A	62.146.106.40^{🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH}
			PTR	`mx01.udag.de`
TXT	`v=spf1 include:_smtp.udag.de ~all`
SOA	`ns.udag.de`hostmaster@united-domains.de 2024-10-02 #13

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1790165408

Same first word

referenceguide.com

referenceguide.ca

referenceguide.de

Previous names

Next names

DNS History

10 records (6 active, 4 former)

●NSns.udag.de2015-11-27 → 2026-09-23 · 3 obs

○ 2015-06-29 22:16:54
● 2015-11-27 04:44:36
● 2026-09-23 12:42:34

●NSns.udag.net2015-11-27 → 2026-09-23 · 3 obs

○ 2015-06-29 22:16:54
● 2015-11-27 04:44:36
● 2026-09-23 12:42:34

●NSns.udag.org2015-11-27 → 2026-09-23 · 3 obs

○ 2015-06-29 22:16:54
● 2015-11-27 04:44:36
● 2026-09-23 12:42:34

○NSns.udagdns.de2015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 22:16:54
○ 2015-11-27 04:44:36
○ 2026-09-23 12:42:34

○NSns.udagdns.net2015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 22:16:54
○ 2015-11-27 04:44:36
○ 2026-09-23 12:42:34

●MXmx00.udag.de2015-06-29 → 2026-09-23 · 2 obs

● 2015-06-29 22:16:54
● 2026-09-23 12:42:34

●MXmx01.udag.de2015-06-29 → 2026-09-23 · 2 obs

● 2015-06-29 22:16:54
● 2026-09-23 12:42:34

○A89.31.143.162015-11-27 → 2017-06-17 · 5 obs

○ 2015-06-29 22:16:54
● 2015-11-27 04:44:36
● 2017-06-17 03:25:44
○ 2026-08-20 10:52:26
○ 2026-09-23 12:42:34

○A89.31.143.42015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 22:16:54
○ 2015-11-27 04:44:36
○ 2026-09-23 12:42:34

●A89.31.143.902026-08-20 → 2026-09-23 · 3 obs

○ 2017-06-17 03:25:44
● 2026-08-20 10:52:26
● 2026-09-23 12:42:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
referenceguide.de	ns.udag.de, ns.udag.net, ns.udag.org	2 records

✅ Authoritative Response

Server:185.132.34.253

NS records: ns.udag.de, ns.udag.net, ns.udag.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for referenceguide.de (unsigned zone)

⏱️ Timing

Total: 1014ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.31.143.90`
NS	3	`ns.udag.org, ns.udag.de...`
MX	2	`mx01.udag.de (pri: 20), mx00.udag.de (pri: 10)`
TXT	1	`v=spf1 include:_smtp.udag.de ~all`
SOA	1	`ns.udag.de hostmaster.united-domains.de`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.udag.de, ns.udag.de)

Analysis

IP Addresses

referenceguide.de points to a single IP number: 89.31.143.90.

Additional host names — gpo-music.com, camperaus.com, www.payslip.de and two others — share IP numbers with referenceguide.de.

Name Servers

referenceguide.de is served by three name servers: ns.udag.de, ns.udag.net and ns.udag.org.

referenceguide.de shares at least some of its name servers with other domains, including kartaun.de, fix24.site, ktbernt.eu and two others.

The hostnames ns.udag.de, ns.udag.net and ns.udag.org each direct to two IP addresses — ns.udag.de to 217.160.80.253 and 2001:8d8:fe:53:217:160:80:253, ns.udag.net to 185.132.33.253 and 2607:f1c0:fe:53:185:132:33:253, and ns.udag.org to 185.132.34.253 and 2607:f1c0:fe:53:185:132:34:253.

Mail Servers

referenceguide.de has two mail servers: mx00.udag.de and mx01.udag.de.

referenceguide.de shares the same mail server setup as other domains, including uganda-safari.reise, hannahgahl-design.de, aktivpol.de and two others.

referenceguide.de shares at least some of its mail servers with other domains, such as vanbegin.com.

mx00.udag.de and mx01.udag.de each resolve to one IP number: mx00.udag.de points to 62.146.106.39 and mx01.udag.de points to 62.146.106.40.

referenceguide.de - robtex.com