`jobcourteous.com`

DNSSEC	⚠️ Not signed
A	76.74.93.247^{🇺🇸 TELX-AS4640176.74.93.0/24 321 Langton Street San Francisco CA 94103 United States}
NS	`ns-cloud-e1.googledomains.com` ⭐
		A	2001:4860:4802:32::6e^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-e1.googledomains.com`
		A	216.239.32.110^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-e1.googledomains.com`
NS	`ns-cloud-e2.googledomains.com`
		A	2001:4860:4802:34::6e^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-e2.googledomains.com`
		A	216.239.34.110^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-e2.googledomains.com`
NS	`ns-cloud-e3.googledomains.com`
		A	2001:4860:4802:36::6e^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-e3.googledomains.com`
		A	216.239.36.110^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-e3.googledomains.com`
NS	`ns-cloud-e4.googledomains.com`
		A	2001:4860:4802:38::6e^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-e4.googledomains.com`
		A	216.239.38.110^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-e4.googledomains.com`
MX	`mxmail.jobcourteous.com` ⭐
		A	192.135.199.48^{🇺🇸 TELX-AS46401192.135.199.0/24 8760-A Research Blvd, Suite 133 Austin TX 78758 United States}
			PTR	`mta22.careeramazed.net`
TXT	`v=spf1 A MX include:spf.dynect.net ip4:192.135.199.0/24 ~all`
SOA	`ns-cloud-e1.googledomains.com`postmaster@jobcourteous.com serial=1774974480

`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=1776178082

Subdomains

mxmail.jobcourteous.com

Same first word

jobcourteous.com

DNS History

11 records (6 active, 5 former)

●NSns-cloud-e1.googledomains.com2026-03-30 → 2026-04-14 · 3 obs

○ 2017-11-21 13:36:14
● 2026-03-30 15:24:48
● 2026-04-14 14:57:16

●NSns-cloud-e2.googledomains.com2026-03-30 → 2026-04-14 · 3 obs

○ 2017-11-21 13:36:14
● 2026-03-30 15:24:48
● 2026-04-14 14:57:16

●NSns-cloud-e3.googledomains.com2026-03-30 → 2026-04-14 · 3 obs

○ 2017-11-21 13:36:14
● 2026-03-30 15:24:48
● 2026-04-14 14:57:16

●NSns-cloud-e4.googledomains.com2026-03-30 → 2026-04-14 · 3 obs

○ 2017-11-21 13:36:14
● 2026-03-30 15:24:48
● 2026-04-14 14:57:16

○NSns1.p13.dynect.net2016-12-16 → 2017-11-21 · 4 obs

● 2016-12-16 17:52:18
● 2017-11-21 13:36:14
○ 2026-03-30 15:24:48
○ 2026-04-14 14:57:16

○NSns2.p13.dynect.net2016-12-16 → 2017-11-21 · 4 obs

● 2016-12-16 17:52:18
● 2017-11-21 13:36:14
○ 2026-03-30 15:24:48
○ 2026-04-14 14:57:16

○NSns3.p13.dynect.net2016-12-16 → 2017-11-21 · 4 obs

● 2016-12-16 17:52:18
● 2017-11-21 13:36:14
○ 2026-03-30 15:24:48
○ 2026-04-14 14:57:16

○NSns4.p13.dynect.net2016-12-16 → 2017-11-21 · 4 obs

● 2016-12-16 17:52:18
● 2017-11-21 13:36:14
○ 2026-03-30 15:24:48
○ 2026-04-14 14:57:16

●MXmxmail.jobcourteous.com2016-12-16 → 2026-04-14 · 2 obs

● 2016-12-16 17:52:18
● 2026-04-14 14:57:16

○A65.75.144.512016-12-16 → 2017-11-21 · 4 obs

● 2016-12-16 17:52:18
● 2017-11-21 13:36:14
○ 2026-03-30 15:24:48
○ 2026-04-14 14:57:16

●A76.74.93.2472026-03-30 → 2026-04-14 · 3 obs

○ 2017-11-21 13:36:14
● 2026-03-30 15:24:48
● 2026-04-14 14:57:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
jobcourteous.com	ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com, ns-cloud-e4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.32.110

NS records: ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com, ns-cloud-e4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jobcourteous.com (unsigned zone)

⏱️ Timing

Total: 213ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.74.93.247`
NS	4	`ns-cloud-e1.googledomains.com, ns-cloud-e3.googledomains.com...`
MX	1	`mxmail.jobcourteous.com (pri: 0)`
TXT	1	`v=spf1 A MX include:spf.dynect.net ip4:1`
SOA	1	`ns-cloud-e1.googledomains.com postmaster`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-e1.googledomains.com, ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com...)

Analysis

Hierarchy

The parent of mxmail.jobcourteous.com is jobcourteous.com.

IP Addresses

jobcourteous.com points to a single IP: 76.74.93.247.

Name Servers

jobcourteous.com's delegation is handled by four name servers: ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com and ns-cloud-e4.googledomains.com.

jobcourteous.com partially shares name servers with other domains; examples include chi-wellness.com, munichna.com, christianradioshowprepservices.com, 1.72.212.in-addr.arpa and ctilv.net.

Host names with two IPs:

ns-cloud-e1.googledomains.com points to 2001:4860:4802:32::6e and 216.239.32.110

ns-cloud-e2.googledomains.com points to 2001:4860:4802:34::6e and 216.239.34.110

ns-cloud-e3.googledomains.com points to 2001:4860:4802:36::6e and 216.239.36.110

ns-cloud-e4.googledomains.com points to 2001:4860:4802:38::6e and 216.239.38.110

Mail Servers

jobcourteous.com is handled by a single mail server, mxmail.jobcourteous.com.

mxmail.jobcourteous.com points to a single IP: 192.135.199.48.

jobcourteous.com - robtex.com