`thedirtyknobs.com`

DNSSEC	⚠️ Not signed
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`ns-377.awsdns-47.com` ⭐
		A	2600:9000:5301:7900::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-377.awsdns-47.com`
		A	205.251.193.121^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-377.awsdns-47.com`
NS	`ns-1357.awsdns-41.org`
		A	2600:9000:5305:4d00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1357.awsdns-41.org`
		A	205.251.197.77^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1357.awsdns-41.org`
NS	`ns-1713.awsdns-22.co.uk`
		A	2600:9000:5306:b100::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1713.awsdns-22.co.uk`
		A	205.251.198.177^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1713.awsdns-22.co.uk`
NS	`ns-534.awsdns-02.net`
		A	2600:9000:5302:1600::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-534.awsdns-02.net`
		A	205.251.194.22^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-534.awsdns-02.net`
MX	`mx1.emailsrvr.com` ⭐
		A	184.106.54.1^{🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD}
			PTR	`mx1.emailsrvr.com`
MX	`mx2.emailsrvr.com`⁽²⁰⁾
		A	184.106.54.2^{🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD}
			PTR	`mx2.emailsrvr.com`
TXT	`v=spf1 include:emailsrvr.com include:sendgrid.net include:musvc.com include:e...`
SOA	`ns-377.awsdns-47.com`awsdns-hostmaster@amazon.com serial=1

`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=1781380868

WOT: SAFE (73/100)

Previously MX for

thedirtyknobs.com

Same first word

thedirtyknobs.com

DNS History

17 records (7 active, 10 former)

●NSns-1357.awsdns-41.org2020-02-04 → 2026-06-13 · 3 obs

○ 2017-03-20 02:01:00
● 2020-02-04 08:18:36
● 2026-06-13 20:11:06

●NSns-1713.awsdns-22.co.uk2020-02-04 → 2026-06-13 · 3 obs

○ 2017-03-20 02:01:00
● 2020-02-04 08:18:36
● 2026-06-13 20:11:06

●NSns-377.awsdns-47.com2020-02-04 → 2026-06-13 · 3 obs

○ 2017-03-20 02:01:00
● 2020-02-04 08:18:36
● 2026-06-13 20:11:06

●NSns-534.awsdns-02.net2020-02-04 → 2026-06-13 · 3 obs

○ 2017-03-20 02:01:00
● 2020-02-04 08:18:36
● 2026-06-13 20:11:06

○NSns1.asmallorange.com2015-08-02 → 2017-03-20 · 5 obs

○ 2008-03-20 14:57:30
● 2015-08-02 18:54:16
● 2017-03-20 02:01:00
○ 2020-02-04 08:18:36
○ 2026-06-13 20:11:06

○NSns2.asmallorange.com2015-08-02 → 2017-03-20 · 5 obs

○ 2008-03-20 14:57:30
● 2015-08-02 18:54:16
● 2017-03-20 02:01:00
○ 2020-02-04 08:18:36
○ 2026-06-13 20:11:06

●MXmx1.emailsrvr.com2026-03-27 → 2026-06-13 · 3 obs

○ 2020-02-04 08:18:36
● 2026-03-27 03:00:04
● 2026-06-13 20:11:06

●MXmx2.emailsrvr.com2026-03-27 → 2026-06-13 · 3 obs

○ 2020-02-04 08:18:36
● 2026-03-27 03:00:04
● 2026-06-13 20:11:06

○MXthedirtyknobs.com2008-03-20 → 2017-03-20 · 4 obs

● 2008-03-20 14:57:30
● 2017-03-20 02:01:00
○ 2020-02-04 08:18:36
○ 2026-06-13 20:11:06

○A13.225.38.1042020-02-04 → 2020-02-04 · 4 obs

○ 2017-03-20 02:01:00
● 2020-02-04 08:18:36
○ 2026-03-27 03:00:04
○ 2026-06-13 20:11:06

○A13.225.38.412020-02-04 → 2020-02-04 · 4 obs

○ 2017-03-20 02:01:00
● 2020-02-04 08:18:36
○ 2026-03-27 03:00:04
○ 2026-06-13 20:11:06

○A13.225.38.82020-02-04 → 2020-02-04 · 4 obs

○ 2017-03-20 02:01:00
● 2020-02-04 08:18:36
○ 2026-03-27 03:00:04
○ 2026-06-13 20:11:06

○A13.225.38.812020-02-04 → 2020-02-04 · 4 obs

○ 2017-03-20 02:01:00
● 2020-02-04 08:18:36
○ 2026-03-27 03:00:04
○ 2026-06-13 20:11:06

○A143.95.247.362015-11-28 → 2017-03-20 · 5 obs

○ 2015-08-02 18:54:16
● 2015-11-28 14:32:04
● 2017-03-20 02:01:00
○ 2020-02-04 08:18:36
○ 2026-06-13 20:11:06

○A143.95.42.1612015-08-02 → 2015-08-02 · 4 obs

○ 2008-03-20 14:57:30
● 2015-08-02 18:54:16
○ 2015-11-28 14:32:04
○ 2026-06-13 20:11:06

○A64.22.96.262008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 14:57:30
○ 2015-08-02 18:54:16
○ 2026-06-13 20:11:06

●A76.76.21.212026-03-27 → 2026-06-13 · 3 obs

○ 2020-02-04 08:18:36
● 2026-03-27 03:00:04
● 2026-06-13 20:11:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
thedirtyknobs.com	ns-534.awsdns-02.net, ns-377.awsdns-47.com, ns-1713.awsdns-22.co.uk, ns-1357.awsdns-41.org	2 records

✅ Authoritative Response

Server:205.251.194.22

NS records: ns-534.awsdns-02.net, ns-377.awsdns-47.com, ns-1713.awsdns-22.co.uk, ns-1357.awsdns-41.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thedirtyknobs.com (unsigned zone)

⏱️ Timing

Total: 777ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	4	`ns-1357.awsdns-41.org, ns-1713.awsdns-22.co.uk...`
MX	2	`mx1.emailsrvr.com (pri: 10), mx2.emailsrvr.com (pri: 20)`
TXT	1	`v=spf1 include:emailsrvr.com include:sen`
SOA	1	`ns-377.awsdns-47.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-377.awsdns-47.com, ns-377.awsdns-47.com)

Analysis

IP Addresses

thedirtyknobs.com resolves to just one IP address, 76.76.21.21.

Two other host names, along with scbcny.org, flowlineoperations.com and wayco.ai, also share IP numbers with thedirtyknobs.com.

Name Servers

thedirtyknobs.com is delegated to four name servers, ns-377.awsdns-47.com, ns-534.awsdns-02.net, ns-1357.awsdns-41.org and ns-1713.awsdns-22.co.uk.

thedirtyknobs.com shares at least some of its name servers with other domains, including expoplatform.net, mfo.cl, canning.wa.gov.au and two others.

These name servers are frequently paired with the name servers ns-1006.awsdns-61.net and ns-1003.awsdns-61.net.

The host names ns-377.awsdns-47.com, ns-534.awsdns-02.net, ns-1357.awsdns-41.org and ns-1713.awsdns-22.co.uk each resolve to two IP addresses: ns-377.awsdns-47.com resolves to 205.251.193.121 and 2600:9000:5301:7900::1; ns-534.awsdns-02.net resolves to 205.251.194.22 and 2600:9000:5302:1600::1; ns-1357.awsdns-41.org resolves to 205.251.197.77 and 2600:9000:5305:4d00::1; ns-1713.awsdns-22.co.uk resolves to 205.251.198.177 and 2600:9000:5306:b100::1.

Mail Servers

thedirtyknobs.com is served by two mail servers, mx1.emailsrvr.com and mx2.emailsrvr.com.

Among the domains sharing a mail server setup with thedirtyknobs.com are boifox.com, beerlogic.net, discountgear.info and two others.

thedirtyknobs.com shares mail servers with at least some other domains, such as oasiseyecare.net, openthebooks.com.cdn.cloudflare.net and silfin.net.

mx1.emailsrvr.com and mx2.emailsrvr.com each resolve to one IP number: mx1.emailsrvr.com points to 184.106.54.1 and mx2.emailsrvr.com points to 184.106.54.2.

thedirtyknobs.com - robtex.com