`technicalwriting.com`

DNSSEC	⚠️ Not signed
A	162.241.130.71^{🇺🇸 Jacksonville162.241.128.0/21 Unified Layer}
		PTR	`server.tech-tav.biz`
NS	`ns1.tech-tav.biz` ⭐ ⚠️ Not in parent delegation
		A	162.241.130.71^{🇺🇸 Jacksonville162.241.128.0/21 Unified Layer}
			PTR	`server.tech-tav.biz`
NS	`ns1.bluehost.com` ⚠️ Not in zone NS records
		A	162.159.24.80^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.bluehost.com`
NS	`ns2.bluehost.com` ⚠️ Not in zone NS records
		A	162.159.25.175^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.bluehost.com`
NS	`ns2.tech-tav.biz` ⚠️ Not in parent delegation
		A	162.241.130.71^{🇺🇸 Jacksonville162.241.128.0/21 Unified Layer}
			PTR	`server.tech-tav.biz`
MX	`mail.technicalwriting.com` ⭐
		A	162.241.130.71^{🇺🇸 Jacksonville162.241.128.0/21 Unified Layer}
			PTR	`server.tech-tav.biz`
SOA	`ns1.tech-tav.biz`root@server.tech-tav.biz 2019-05-26 #8

`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

technicalwriting.com

Subdomains

mail.technicalwriting.com

Same first word

technicalwriting.com

technicalwriting.dev

DNS History

11 records (6 active, 5 former)

○NSdns.site5.com2015-06-01 → 2018-10-25 · 4 obs

● 2015-06-01 20:41:40
● 2018-10-25 20:28:16
○ 2026-03-08 20:33:26
○ 2026-03-23 23:41:24

○NSdns2.site5.com2015-06-01 → 2018-10-25 · 4 obs

● 2015-06-01 20:41:40
● 2018-10-25 20:28:16
○ 2026-03-08 20:33:26
○ 2026-03-23 23:41:24

●NSns1.bluehost.com2026-03-08 → 2026-03-23 · 3 obs

○ 2018-10-25 20:28:16
● 2026-03-08 20:33:26
● 2026-03-23 23:41:24

●NSns1.tech-tav.biz2026-03-08 → 2026-03-23 · 3 obs

○ 2018-10-25 20:28:16
● 2026-03-08 20:33:26
● 2026-03-23 23:41:24

●NSns2.bluehost.com2026-03-08 → 2026-03-23 · 3 obs

○ 2018-10-25 20:28:16
● 2026-03-08 20:33:26
● 2026-03-23 23:41:24

●NSns2.tech-tav.biz2026-03-08 → 2026-03-23 · 3 obs

○ 2018-10-25 20:28:16
● 2026-03-08 20:33:26
● 2026-03-23 23:41:24

●MXmail.technicalwriting.com2026-03-08 → 2026-03-23 · 3 obs

○ 2018-10-25 20:28:16
● 2026-03-08 20:33:26
● 2026-03-23 23:41:24

○MXtechnicalwriting.com2015-06-01 → 2018-10-25 · 4 obs

● 2015-06-01 20:41:40
● 2018-10-25 20:28:16
○ 2026-03-08 20:33:26
○ 2026-03-23 23:41:24

●A162.241.130.712026-03-08 → 2026-03-23 · 3 obs

○ 2018-10-25 20:28:16
● 2026-03-08 20:33:26
● 2026-03-23 23:41:24

○A184.172.26.882017-01-05 → 2018-10-25 · 5 obs

○ 2016-04-03 05:57:58
● 2017-01-05 13:38:16
● 2018-10-25 20:28:16
○ 2026-03-08 20:33:26
○ 2026-03-23 23:41:24

○A50.22.7.2162015-06-01 → 2016-04-03 · 4 obs

● 2015-06-01 20:41:40
● 2016-04-03 05:57:58
○ 2017-01-05 13:38:16
○ 2026-03-23 23:41:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...	-
technicalwriting.com	ns1.bluehost.com, ns2.bluehost.com	2 records

✅ Authoritative Response

Server:162.159.24.80

NS records: ns1.bluehost.com, ns2.bluehost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for technicalwriting.com (unsigned zone)

⏱️ Timing

Total: 205ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.241.130.71`
NS	2	`ns2.tech-tav.biz, ns1.tech-tav.biz`
MX	1	`mail.technicalwriting.com (pri: 0)`
SOA	1	`ns1.tech-tav.biz root.server.tech-tav.bi`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.bluehost.com, ns2.bluehost.com)

Analysis

Hierarchy

mail.technicalwriting.com has technicalwriting.com as its parent.

IP Addresses

technicalwriting.com maps to IP address 162.241.130.71.

Other host names, for instance ns1.tech-tav.biz, ns2.tech-tav.com, mail.tech-tav.com, ns1.tech-tav.com and ns2.tech-tav.biz share IP numbers with technicalwriting.com.

Name Servers

technicalwriting.com is delegated to four name servers: ns1.tech-tav.biz, ns2.tech-tav.biz, ns1.bluehost.com and ns2.bluehost.com.

technicalwriting.com at least partially shares name servers with other domains such as bonomedica.com, vectormediahub.com, gorddonas.ca, valie.ch and insidesyv.com.

Host names sharing one IP number:

The host names ns1.tech-tav.biz and ns2.tech-tav.biz point to 162.241.130.71.

The host name ns1.bluehost.com points to 162.159.24.80.

The host name ns2.bluehost.com points to 162.159.25.175.

Host names pointing to 162.241.130.71: ns1.tech-tav.biz, ns2.tech-tav.biz.

Mail Servers

technicalwriting.com is handled by a single mail server, mail.technicalwriting.com.

mail.technicalwriting.com points to one IP number: 162.241.130.71.

technicalwriting.com - robtex.com