`techsourcebook.com`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::200^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	217.160.0.147^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1105.ui-dns.com` ⭐
		A	2001:8d8:fe:53:0:d9a0:5269:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1105.ui-dns.com`
		A	217.160.82.105^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1105.ui-dns.com`
NS	`ns1105.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5169:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1105.ui-dns.biz`
		A	217.160.81.105^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1105.ui-dns.biz`
NS	`ns1105.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:105^{🇺🇸 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	`ns1105.ui-dns.de`
		A	185.132.32.105^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1105.ui-dns.de`
		A	217.160.80.105^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1105.ui-dns.de`
NS	`ns1105.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5369:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1105.ui-dns.org`
		A	217.160.83.105^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1105.ui-dns.org`
MX	`mx00.ionos.com` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.com` ⭐
		A	74.208.5.21^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf.perfora.net include:_spf-us.ionos.com include:_spf.kunden...`
SOA	`ns1105.ui-dns.com`hostmaster@1and1.com 2017-04-27 #6

`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=1777182256

Same first word

techsourcebook.com

DNS History

24 records (8 active, 16 former)

○NSns-us.1and1-dns.com2015-12-09 → 2017-03-17 · 5 obs

○ 2015-08-20 04:41:42
● 2015-12-09 06:23:58
● 2017-03-17 22:07:20
○ 2020-01-10 02:36:30
○ 2026-04-26 06:01:36

○NSns-us.1and1-dns.de2015-12-09 → 2017-03-17 · 5 obs

○ 2015-08-20 04:41:42
● 2015-12-09 06:23:58
● 2017-03-17 22:07:20
○ 2020-01-10 02:36:30
○ 2026-04-26 06:01:36

○NSns-us.1and1-dns.org2015-12-09 → 2017-03-17 · 5 obs

○ 2015-08-20 04:41:42
● 2015-12-09 06:23:58
● 2017-03-17 22:07:20
○ 2020-01-10 02:36:30
○ 2026-04-26 06:01:36

○NSns-us.1and1-dns.us2015-12-09 → 2017-03-17 · 5 obs

○ 2015-08-20 04:41:42
● 2015-12-09 06:23:58
● 2017-03-17 22:07:20
○ 2020-01-10 02:36:30
○ 2026-04-26 06:01:36

●NSns1105.ui-dns.biz2020-01-10 → 2026-04-26 · 3 obs

○ 2017-03-17 22:07:20
● 2020-01-10 02:36:30
● 2026-04-26 06:01:36

●NSns1105.ui-dns.com2020-01-10 → 2026-04-26 · 3 obs

○ 2017-03-17 22:07:20
● 2020-01-10 02:36:30
● 2026-04-26 06:01:36

●NSns1105.ui-dns.de2020-01-10 → 2026-04-26 · 3 obs

○ 2017-03-17 22:07:20
● 2020-01-10 02:36:30
● 2026-04-26 06:01:36

●NSns1105.ui-dns.org2020-01-10 → 2026-04-26 · 3 obs

○ 2017-03-17 22:07:20
● 2020-01-10 02:36:30
● 2026-04-26 06:01:36

○NSns51.1and1.com2015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 04:41:42
○ 2015-12-09 06:23:58
○ 2026-04-26 06:01:36

○NSns52.1and1.com2015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 04:41:42
○ 2015-12-09 06:23:58
○ 2026-04-26 06:01:36

○MXmx00.1and1.com2015-08-20 → 2020-01-10 · 4 obs

● 2015-08-20 04:41:42
● 2020-01-10 02:36:30
○ 2026-02-18 11:31:22
○ 2026-04-26 06:01:36

●MXmx00.ionos.com2026-02-18 → 2026-04-26 · 3 obs

○ 2020-01-10 02:36:30
● 2026-02-18 11:31:22
● 2026-04-26 06:01:36

○MXmx01.1and1.com2015-08-20 → 2020-01-10 · 4 obs

● 2015-08-20 04:41:42
● 2020-01-10 02:36:30
○ 2026-02-18 11:31:22
○ 2026-04-26 06:01:36

●MXmx01.ionos.com2026-02-18 → 2026-04-26 · 3 obs

○ 2020-01-10 02:36:30
● 2026-02-18 11:31:22
● 2026-04-26 06:01:36

○A108.175.14.1712015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 04:41:42
○ 2015-12-09 06:23:58
○ 2026-04-26 06:01:36

○A192.195.77.162016-07-15 → 2017-03-17 · 5 obs

○ 2016-03-09 12:59:44
● 2016-07-15 09:45:46
● 2017-03-17 22:07:20
○ 2020-01-10 02:36:30
○ 2026-04-26 06:01:36

●A2001:8d8:100f:f000::2002026-04-26 → 2026-04-26 · 3 obs

○ 2026-03-29 08:36:22
● 2026-04-26 06:01:34
● 2026-04-26 06:01:36

●A217.160.0.1472026-04-26 → 2026-04-26 · 3 obs

○ 2026-03-29 08:36:22
● 2026-04-26 06:01:34
● 2026-04-26 06:01:36

○A2607:f1c0:1000:6083:e296:584:829d:82015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 04:41:42
○ 2015-12-09 06:23:58
○ 2026-04-26 06:01:36

○A2607:f1c0:1000:80f9:4b43:5dad:3a07:d0132016-07-15 → 2017-03-17 · 5 obs

○ 2016-03-09 12:59:44
● 2016-07-15 09:45:46
● 2017-03-17 22:07:20
○ 2020-01-10 02:36:30
○ 2026-04-26 06:01:36

○A2607:f1c0:1000:80f9:9e8e:7201:72f:58102015-12-09 → 2016-03-09 · 5 obs

○ 2015-08-20 04:41:42
● 2015-12-09 06:23:58
● 2016-03-09 12:59:44
○ 2016-07-15 09:45:46
○ 2026-04-26 06:01:36

○A2607:f1c0:100f:f000::28c2020-01-10 → 2026-03-29 · 5 obs

○ 2017-03-17 22:07:20
● 2020-01-10 02:36:30
● 2026-03-29 08:36:22
○ 2026-04-26 06:01:34
○ 2026-04-26 06:01:36

○A66.175.233.1522015-12-09 → 2016-03-09 · 5 obs

○ 2015-08-20 04:41:42
● 2015-12-09 06:23:58
● 2016-03-09 12:59:44
○ 2016-07-15 09:45:46
○ 2026-04-26 06:01:36

○A74.208.236.332020-01-10 → 2026-03-29 · 5 obs

○ 2017-03-17 22:07:20
● 2020-01-10 02:36:30
● 2026-03-29 08:36:22
○ 2026-04-26 06:01:34
○ 2026-04-26 06:01:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
techsourcebook.com	ns1105.ui-dns.de, ns1105.ui-dns.biz, ns1105.ui-dns.org, ns1105.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.82.105

NS records: ns1105.ui-dns.de, ns1105.ui-dns.biz, ns1105.ui-dns.org, ns1105.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techsourcebook.com (unsigned zone)

⏱️ Timing

Total: 880ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.147`
AAAA	1	`2001:8d8:100f:f000::200`
NS	4	`ns1105.ui-dns.biz, ns1105.ui-dns.de...`
MX	2	`mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf.perfora.net include:`
SOA	1	`ns1105.ui-dns.com hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1105.ui-dns.com, ns1105.ui-dns.com)

Analysis

IP Addresses

techsourcebook.com resolves to two IP numbers: 2001:8d8:100f:f000::200 and 217.160.0.147.

Name Servers

techsourcebook.com is delegated to four name servers: ns1105.ui-dns.biz, ns1105.ui-dns.com, ns1105.ui-dns.de and ns1105.ui-dns.org.

techsourcebook.com at least partially shares name servers with other domains, for instance elite-flooring.co.uk, meinruhestand.com, schiffers-raetz-stb.de, dreamlan.co.uk and ti-advisors.com.

These name servers are commonly used with ns1072.ui-dns.com, ns1081.ui-dns.de, ns1087.ui-dns.org, ns1042.ui-dns.biz and ns1126.ui-dns.de.

Host names with three IP numbers:

ns1105.ui-dns.de points to: 2607:f1c0:fe:53:185:132:32:105, 185.132.32.105 and 217.160.80.105.

Host names with two IP numbers:

ns1105.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:5169:100 and 217.160.81.105.

ns1105.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:5269:100 and 217.160.82.105.

ns1105.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:5369:100 and 217.160.83.105.

Mail Servers

Two mail servers handle techsourcebook.com: mx00.ionos.com and mx01.ionos.com.

techsourcebook.com shares the same mail server setup as other domains, for instance sikh.media, doohexperience.com, pionteks.com, officeone.com and dennismackrelmusic.com.

techsourcebook.com shares mail servers with other domains to some extent, for instance manlyden.com.

Host names with one IP number:

mx00.ionos.com points to 74.208.5.3

mx01.ionos.com points to 74.208.5.21

techsourcebook.com - robtex.com