`decisionsbook.com`

DNSSEC	⚠️ Not signed
A	89.31.143.90^{🇩🇪 UDAG89.31.143.0/24}
		PTR	`ip-89-31-143-90.defastlink.net`
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 2023-12-12 #2

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Previously MX for

decisionsbook.com

Same first word

decisionsbook.com

DNS History

10 records (6 active, 4 former)

●NSns.udag.de2026-03-04 → 2026-03-24 · 3 obs

○ 2016-12-31 16:11:48
● 2026-03-04 07:48:50
● 2026-03-24 00:49:10

●NSns.udag.net2026-03-04 → 2026-03-24 · 3 obs

○ 2016-12-31 16:11:48
● 2026-03-04 07:48:50
● 2026-03-24 00:49:10

●NSns.udag.org2026-03-04 → 2026-03-24 · 3 obs

○ 2016-12-31 16:11:48
● 2026-03-04 07:48:50
● 2026-03-24 00:49:10

○NSns1.techphases.com2015-06-07 → 2016-12-31 · 4 obs

● 2015-06-07 09:25:38
● 2016-12-31 16:11:48
○ 2026-03-04 07:48:50
○ 2026-03-24 00:49:10

○NSns2.techphases.com2015-06-07 → 2016-12-31 · 4 obs

● 2015-06-07 09:25:38
● 2016-12-31 16:11:48
○ 2026-03-04 07:48:50
○ 2026-03-24 00:49:10

○MXdecisionsbook.com2015-06-07 → 2016-12-31 · 4 obs

● 2015-06-07 09:25:38
● 2016-12-31 16:11:48
○ 2026-03-04 07:48:50
○ 2026-03-24 00:49:10

●MXmx00.udag.de2026-03-04 → 2026-03-24 · 3 obs

○ 2016-12-31 16:11:48
● 2026-03-04 07:48:50
● 2026-03-24 00:49:10

●MXmx01.udag.de2026-03-04 → 2026-03-24 · 3 obs

○ 2016-12-31 16:11:48
● 2026-03-04 07:48:50
● 2026-03-24 00:49:10

○A64.131.76.2232015-06-07 → 2016-12-31 · 4 obs

● 2015-06-07 09:25:38
● 2016-12-31 16:11:48
○ 2026-03-04 07:48:50
○ 2026-03-24 00:49:10

●A89.31.143.902026-03-04 → 2026-03-24 · 3 obs

○ 2016-12-31 16:11:48
● 2026-03-04 07:48:50
● 2026-03-24 00:49:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net...	-
decisionsbook.com	ns.udag.de, ns.udag.net, ns.udag.org	-

✅ 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 decisionsbook.com (unsigned zone)

⏱️ Timing

Total: 427ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.31.143.90`
NS	3	`ns.udag.net, ns.udag.org...`
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`

Analysis

IP Addresses

decisionsbook.com points to a single IP address: 89.31.143.90.

Other host names such as area-scan-cameras.com, gut-essen-im-saarland.de, kinder-tv.de, rss.eggs.in and mail.nextpharma.info share IPs with decisionsbook.com.

Name Servers

decisionsbook.com is delegated to three name servers: ns.udag.de, ns.udag.net and ns.udag.org.

decisionsbook.com at least partially shares name servers with other domains, for example pcc-e-learning.de, dr-sabisch.info, any-dns.de, realveneer.eu and nae-erboristeria.ch.

Host names with two IP numbers:

ns.udag.de points to 2001:8d8:fe:53:217:160:80:253 and 217.160.80.253

ns.udag.net points to 2607:f1c0:fe:53:185:132:33:253 and 185.132.33.253

ns.udag.org points to 2607:f1c0:fe:53:185:132:34:253 and 185.132.34.253

Mail Servers

Two mail servers handle decisionsbook.com: mx00.udag.de and mx01.udag.de.

decisionsbook.com shares the same mail server setup as other domains, including isarklassik.de, tropilog.com, myspirit.eu, myteresasdailymail.com and mybona.de.

decisionsbook.com shares some mail servers with other domains, for example dreamlines.it.

Host names with one IP number:

mx00.udag.de points to 62.146.106.39; mx01.udag.de points to 62.146.106.40.

decisionsbook.com - robtex.com