`grottoengineering.com`

DNSSEC	⚠️ Not signed
A	141.193.213.10^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
A	141.193.213.11^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
NS	`ns25.worldnic.com` ⭐
		A	162.159.26.132^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns26.worldnic.com`
		A	162.159.27.77^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`grottoengineering-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::5^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00505.inbound.protection.outlook.com`
		A	2a01:111:f403:c927::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f805::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00301.inbound.protection.outlook.com`
		A	52.101.10.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr21cu00106.inbound.protection.outlook.com`
		A	52.101.11.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00205.inbound.protection.outlook.com`
		A	52.101.42.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr04cu00106.inbound.protection.outlook.com`
		A	52.101.42.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr05cu00300.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`NS25.WORLDNIC.com`namehost@WORLDNIC.com serial=124021010

`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=1774582392

Subdomains

www.grottoengineering.com

Same first word

grottoengineering.com

DNS History

14 records (5 active, 9 former)

○NSauth111.ns.uu.net2015-05-05 → 2015-05-05 · 3 obs

● 2015-05-05 14:38:44
○ 2015-11-04 07:17:26
○ 2026-03-27 03:41:06

○NSauth120.ns.uu.net2015-05-05 → 2015-05-05 · 3 obs

● 2015-05-05 14:38:44
○ 2015-11-04 07:17:26
○ 2026-03-27 03:41:06

●NSns25.worldnic.com2015-11-04 → 2026-03-27 · 3 obs

○ 2015-05-05 14:38:44
● 2015-11-04 07:17:26
● 2026-03-27 03:41:06

●NSns26.worldnic.com2015-11-04 → 2026-03-27 · 3 obs

○ 2015-05-05 14:38:44
● 2015-11-04 07:17:26
● 2026-03-27 03:41:06

●MXgrottoengineering-com.mail.protection.outlook.com2016-02-09 → 2026-03-27 · 3 obs

○ 2015-11-04 07:17:26
● 2016-02-09 18:52:58
● 2026-03-27 03:41:06

○MXgrottoengineering.com.inbound10.mxlogic.net2015-11-04 → 2015-11-04 · 4 obs

○ 2015-05-05 14:38:44
● 2015-11-04 07:17:26
○ 2016-02-09 18:52:58
○ 2026-03-27 03:41:06

○MXgrottoengineering.com.inbound10.mxlogicmx.net2015-11-04 → 2015-11-04 · 4 obs

○ 2015-05-05 14:38:44
● 2015-11-04 07:17:26
○ 2016-02-09 18:52:58
○ 2026-03-27 03:41:06

○MXmail.moore-cpa.com2015-05-05 → 2015-05-05 · 3 obs

● 2015-05-05 14:38:44
○ 2015-11-04 07:17:26
○ 2026-03-27 03:41:06

○MXmail2.moore-cpa.com2015-05-05 → 2015-05-05 · 3 obs

● 2015-05-05 14:38:44
○ 2015-11-04 07:17:26
○ 2026-03-27 03:41:06

○A107.0.40.1642016-07-16 → 2017-03-28 · 5 obs

○ 2016-02-09 18:52:58
● 2016-07-16 12:07:20
● 2017-03-28 21:53:34
○ 2020-03-30 15:08:32
○ 2026-03-27 03:41:06

○A107.0.40.1662015-05-05 → 2016-02-09 · 4 obs

● 2015-05-05 14:38:44
● 2016-02-09 18:52:58
○ 2016-07-16 12:07:20
○ 2026-03-27 03:41:06

●A141.193.213.102026-03-27 → 2026-03-27 · 3 obs

○ 2020-03-30 15:08:32
● 2026-03-27 03:41:04
● 2026-03-27 03:41:06

●A141.193.213.112026-03-27 → 2026-03-27 · 3 obs

○ 2020-03-30 15:08:32
● 2026-03-27 03:41:04
● 2026-03-27 03:41:06

○A192.185.6.992020-03-30 → 2020-03-30 · 4 obs

○ 2017-03-28 21:53:34
● 2020-03-30 15:08:32
○ 2026-03-27 03:41:04
○ 2026-03-27 03:41:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
grottoengineering.com	ns25.worldnic.com, ns26.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.77

NS records: ns25.worldnic.com, ns26.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grottoengineering.com (unsigned zone)

⏱️ Timing

Total: 225ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`141.193.213.11, 141.193.213.10`
NS	2	`ns25.worldnic.com, ns26.worldnic.com`
MX	1	`grottoengineering-com.mail.protection.ou`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`NS25.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns25.worldnic.com, ns26.worldnic.com)

Analysis

Hierarchy

www.grottoengineering.com has grottoengineering.com as its parent.

IP Addresses

grottoengineering.com points to two IPs: 141.193.213.10 and 141.193.213.11.

Other host names, for instance draftmylegaldocs.com, thecenterforeyecare.com, jacobsondisputeresolution.com, www.gormanpc.com and qcsndt.com share IP numbers with grottoengineering.com.

Name Servers

Two name servers ns25.worldnic.com and ns26.worldnic.com are delegated to grottoengineering.com.

grottoengineering.com uses the same name server configuration as other domains, such as wfblibrary.org, canadalvi.com, doorley.com, commercebanktx.com and abkmisr.com.

Host names with a single IP address:

ns25.worldnic.com points to 162.159.26.132

ns26.worldnic.com points to 162.159.27.77

Mail Servers

grottoengineering.com is handled by a single mail server, grottoengineering-com.mail.protection.outlook.com.

grottoengineering-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::5, 2a01:111:f403:c927::, 2a01:111:f403:c946::, 2a01:111:f403:f805::1, 52.101.10.6, 52.101.11.13, 52.101.42.14 and 52.101.42.16.

grottoengineering.com - robtex.com