`jeffcosco.com`

DNSSEC	⚠️ Not signed
A	35.212.61.107^{🇺🇸 Google35.212.0.0/17}
		PTR	`107.61.212.35.bc.googleusercontent.com`
NS	`ns1.siteground.net` ⭐
		A	75.2.77.104^{🇺🇸 Amazon75.2.64.0/20}
			PTR	`ac4b097dbd0dd6307.awsglobalaccelerator.com`
NS	`ns2.siteground.net`
		A	99.83.229.113^{🇺🇸 Amazon99.83.224.0/20}
			PTR	`ac4b097dbd0dd6307.awsglobalaccelerator.com`
MX	`mx10.antispam.mailspamprotection.com` ⭐
		A	34.149.79.66^{🇺🇸 Google34.148.0.0/14}
			PTR	`66.79.149.34.bc.googleusercontent.com`
MX	`mx20.antispam.mailspamprotection.com`⁽²⁰⁾
		A	34.120.156.61^{🇺🇸 Google34.120.0.0/14}
			PTR	`61.156.120.34.bc.googleusercontent.com`
MX	`mx30.antispam.mailspamprotection.com`⁽³⁰⁾
		A	34.111.121.216^{🇺🇸 Google34.108.0.0/14}
			PTR	`216.121.111.34.bc.googleusercontent.com`
TXT	`v=spf1 +a +mx include:jeffcosco.com.spf.auto.dnssmarthost.net ~all`
SOA	`ns1.siteground.net`admins@siteground.com serial=7

`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=1776030947

Previously MX for

jeffcosco.com

Same first word

jeffcosco.com

DNS History

15 records (6 active, 9 former)

●NSns1.siteground.net2026-03-26 → 2026-04-12 · 3 obs

○ 2017-04-19 10:36:48
● 2026-03-26 04:50:06
● 2026-04-12 22:01:22

○NSns1.wolverinedns.com2015-10-10 → 2017-04-19 · 5 obs

○ 2015-05-20 06:22:34
● 2015-10-10 12:53:32
● 2017-04-19 10:36:48
○ 2026-03-26 04:50:06
○ 2026-04-12 22:01:22

●NSns2.siteground.net2026-03-26 → 2026-04-12 · 3 obs

○ 2017-04-19 10:36:48
● 2026-03-26 04:50:06
● 2026-04-12 22:01:22

○NSns2.wolverinedns.com2015-10-10 → 2017-04-19 · 5 obs

○ 2015-05-20 06:22:34
● 2015-10-10 12:53:32
● 2017-04-19 10:36:48
○ 2026-03-26 04:50:06
○ 2026-04-12 22:01:22

○NSns3.wolverinedns.com2015-10-10 → 2017-04-19 · 5 obs

○ 2015-05-20 06:22:34
● 2015-10-10 12:53:32
● 2017-04-19 10:36:48
○ 2026-03-26 04:50:06
○ 2026-04-12 22:01:22

○NSns4.wolverinedns.com2015-10-10 → 2017-04-19 · 5 obs

○ 2015-05-20 06:22:34
● 2015-10-10 12:53:32
● 2017-04-19 10:36:48
○ 2026-03-26 04:50:06
○ 2026-04-12 22:01:22

○NSns51.securenet-server.net2015-05-20 → 2015-05-20 · 3 obs

● 2015-05-20 06:22:34
○ 2015-10-10 12:53:32
○ 2026-04-12 22:01:22

○NSns52.securenet-server.net2015-05-20 → 2015-05-20 · 3 obs

● 2015-05-20 06:22:34
○ 2015-10-10 12:53:32
○ 2026-04-12 22:01:22

○MXjeffcosco.com2015-05-20 → 2017-04-19 · 4 obs

● 2015-05-20 06:22:34
● 2017-04-19 10:36:48
○ 2026-03-26 04:50:06
○ 2026-04-12 22:01:22

●MXmx10.antispam.mailspamprotection.com2026-03-26 → 2026-04-12 · 3 obs

○ 2017-04-19 10:36:48
● 2026-03-26 04:50:06
● 2026-04-12 22:01:22

●MXmx20.antispam.mailspamprotection.com2026-03-26 → 2026-04-12 · 3 obs

○ 2017-04-19 10:36:48
● 2026-03-26 04:50:06
● 2026-04-12 22:01:22

●MXmx30.antispam.mailspamprotection.com2026-03-26 → 2026-04-12 · 3 obs

○ 2017-04-19 10:36:48
● 2026-03-26 04:50:06
● 2026-04-12 22:01:22

○A207.45.184.202015-10-10 → 2017-04-19 · 5 obs

○ 2015-05-20 06:22:34
● 2015-10-10 12:53:32
● 2017-04-19 10:36:48
○ 2026-03-26 04:50:06
○ 2026-04-12 22:01:22

○A207.45.186.1302015-05-20 → 2015-05-20 · 3 obs

● 2015-05-20 06:22:34
○ 2015-10-10 12:53:32
○ 2026-04-12 22:01:22

●A35.212.61.1072026-03-26 → 2026-04-12 · 3 obs

○ 2017-04-19 10:36:48
● 2026-03-26 04:50:06
● 2026-04-12 22:01:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
jeffcosco.com	ns1.siteground.net, ns2.siteground.net	-

✅ Authoritative Response

Server:99.83.229.113

NS records: ns1.siteground.net, ns2.siteground.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jeffcosco.com (unsigned zone)

⏱️ Timing

Total: 520ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`35.212.61.107`
NS	2	`ns1.siteground.net, ns2.siteground.net`
MX	3	`mx10.antispam.mailspamprotection.com (pr, mx20.antispam.mailspamprotection.com (pr...`
TXT	1	`v=spf1 +a +mx include:jeffcosco.com.spf.`
SOA	1	`ns1.siteground.net admins.siteground.com`

Analysis

IP Addresses

jeffcosco.com points to a single IP number: 35.212.61.107.

Other host names, for instance kralautoparts.com, landscapesbyprecision.com, canadaautodeals.com, lovelandhsg.org and kristirealtor.com share IP numbers with jeffcosco.com.

Name Servers

Delegation for jeffcosco.com rests with two name servers, ns1.siteground.net and ns2.siteground.net.

jeffcosco.com shares the same name server setup as other domains, including bravowholesale.com, lyndabuitrago.com, ferienwohnungen-online.at, dyncsolutions.com and exportsavvy.co.uk.

jeffcosco.com at least partially shares name servers with other domains, for instance muinoslaw.com, evertrust.co.uk, stjoemish.com, cityofrogerstx.gov and leeoskar.com.

Host names with one IP number: ns1.siteground.net points to 75.2.77.104; ns2.siteground.net points to 99.83.229.113.

Mail Servers

jeffcosco.com is handled by three mail servers: mx10.antispam.mailspamprotection.com, mx20.antispam.mailspamprotection.com and mx30.antispam.mailspamprotection.com.

jeffcosco.com shares mail servers with other domains at least in part, for instance artsonik.net, mfnc.ca, bott.net, marky.cz and passoverintheparks.com.

Host names with one IP number:

mx10.antispam.mailspamprotection.com points to 34.149.79.66.

mx20.antispam.mailspamprotection.com points to 34.120.156.61.

mx30.antispam.mailspamprotection.com points to 34.111.121.216.

jeffcosco.com - robtex.com

jeffcosco.com

com

Previously MX for

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`jeffcosco.com`

`com`