`siefkencontracting.com`

DNSSEC	⚠️ Not signed
A	35.172.94.1^{🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix}
		PTR	`staticip.multiscreensite.com`
A	100.24.208.97^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
NS	`ns61.domaincontrol.com` ⭐
		A	2603:5:2153::20^{🇺🇸 GODADDY-DNS2603:5:2150::/44}
			PTR	`ns61.domaincontrol.com`
		A	97.74.101.32^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns61.domaincontrol.com`
NS	`ns62.domaincontrol.com`
		A	2603:5:2253::20^{🇺🇸 GODADDY-DNS2603:5:2250::/44}
			PTR	`ns62.domaincontrol.com`
		A	173.201.69.32^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns62.domaincontrol.com`
MX	`mx1-us1.ppe-hosted.com` ⭐
		A	67.231.154.162^{🇺🇸 Proofpoint67.231.154.0/24 Inc.}
			PTR	`mx1-us1.ppe-hosted.com`
		A	148.163.129.50^{🇺🇸 AS13916148.163.129.0/24 Proofpoint Inc.}
			PTR	`mx1-us1.ppe-hosted.com`
MX	`mx2-us1.ppe-hosted.com`⁽²⁰⁾
		A	67.231.154.163^{🇺🇸 Proofpoint67.231.154.0/24 Inc.}
			PTR	`mx2-us1.ppe-hosted.com`
		A	148.163.129.51^{🇺🇸 AS13916148.163.129.0/24 Proofpoint Inc.}
			PTR	`mx2-us1.ppe-hosted.com`
TXT	`google-site-verification=zsrBp1LFb3IqMxwyk9zUlLCTFR5Nsl8r6sJx6JhKoLE`
TXT	`MS=ms24012638`
TXT	`v=spf1 a:dispatch-us.ppe-hosted.com include:secureserver.net -all`
TXT	`google-site-verification=fEqI9x91Ic_FqHifHPlfb6Vd_fbxV5LwuV2KmUB9sO8`
SOA	`ns61.domaincontrol.com`dns@jomax.net 2025-10-24 #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=1774772427

rank #281252 globally
rank #121761 in the tld

Same first word

siefkencontracting.com

DNS History

13 records (6 active, 7 former)

●NSns61.domaincontrol.com2015-08-15 → 2026-03-29 · 2 obs

● 2015-08-15 23:03:58
● 2026-03-29 08:25:20

●NSns62.domaincontrol.com2015-08-15 → 2026-03-29 · 2 obs

● 2015-08-15 23:03:58
● 2026-03-29 08:25:20

○MXalt1.aspmx.l.google.com2015-08-15 → 2017-02-11 · 4 obs

● 2015-08-15 23:03:58
● 2017-02-11 20:19:56
○ 2019-01-10 17:49:46
○ 2026-03-29 08:25:20

○MXalt2.aspmx.l.google.com2015-08-15 → 2017-02-11 · 4 obs

● 2015-08-15 23:03:58
● 2017-02-11 20:19:56
○ 2019-01-10 17:49:46
○ 2026-03-29 08:25:20

○MXaspmx.l.google.com2015-08-15 → 2017-02-11 · 4 obs

● 2015-08-15 23:03:58
● 2017-02-11 20:19:56
○ 2019-01-10 17:49:46
○ 2026-03-29 08:25:20

○MXaspmx2.googlemail.com2015-08-15 → 2017-02-11 · 4 obs

● 2015-08-15 23:03:58
● 2017-02-11 20:19:56
○ 2019-01-10 17:49:46
○ 2026-03-29 08:25:20

○MXaspmx3.googlemail.com2015-08-15 → 2017-02-11 · 4 obs

● 2015-08-15 23:03:58
● 2017-02-11 20:19:56
○ 2019-01-10 17:49:46
○ 2026-03-29 08:25:20

●MXmx1-us1.ppe-hosted.com2026-03-29 → 2026-03-29 · 2 obs

○ 2019-01-10 17:49:46
● 2026-03-29 08:25:20

●MXmx2-us1.ppe-hosted.com2026-03-29 → 2026-03-29 · 2 obs

○ 2019-01-10 17:49:46
● 2026-03-29 08:25:20

○MXsiefkencontracting-com.mail.protection.outlook.com2019-01-10 → 2019-01-10 · 3 obs

○ 2017-02-11 20:19:56
● 2019-01-10 17:49:46
○ 2026-03-29 08:25:20

●A100.24.208.972026-03-29 → 2026-03-29 · 2 obs

○ 2019-01-10 17:49:46
● 2026-03-29 08:25:20

○A216.185.152.1572015-08-15 → 2019-01-10 · 3 obs

● 2015-08-15 23:03:58
● 2019-01-10 17:49:46
○ 2026-03-29 08:25:20

●A35.172.94.12026-03-29 → 2026-03-29 · 2 obs

○ 2019-01-10 17:49:46
● 2026-03-29 08:25:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net...	-
siefkencontracting.com	ns61.domaincontrol.com, ns62.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.69.32

NS records: ns61.domaincontrol.com, ns62.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for siefkencontracting.com (unsigned zone)

⏱️ Timing

Total: 123ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`35.172.94.1, 100.24.208.97`
NS	2	`ns61.domaincontrol.com, ns62.domaincontrol.com`
MX	2	`mx1-us1.ppe-hosted.com (pri: 10), mx2-us1.ppe-hosted.com (pri: 20)`
TXT	4	`google-site-verification=zsrBp1LFb3IqMxw, MS=ms24012638...`
SOA	1	`ns61.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns61.domaincontrol.com, ns61.domaincontrol.com, ns62.domaincontrol.com...)

Analysis

IP Addresses

siefkencontracting.com resolves to two IP numbers: 35.172.94.1 and 100.24.208.97.

other host names including drabeatrizgastro.com.br, serratureportepozzati.it, aqualinebajio.com, npapropertyservices.com and lesclochards.com share IP numbers with siefkencontracting.com.

Name Servers

siefkencontracting.com is delegated to two name servers ns61.domaincontrol.com and ns62.domaincontrol.com.

siefkencontracting.com shares the same name server setup as other domains, for instance corynott.com, dentistiowa.com, murzanparts.com, coachinabox.mobi and nextautocare.org.

Host names with two IP numbers:

The host name ns61.domaincontrol.com points to 2603:5:2153::20 and 97.74.101.32; the host name ns62.domaincontrol.com points to 2603:5:2253::20 and 173.201.69.32.

Mail Servers

Two mail servers handle siefkencontracting.com: mx1-us1.ppe-hosted.com and mx2-us1.ppe-hosted.com.

siefkencontracting.com shares the same mail server setup as other domains, for instance rstarklaw.com, meyerconstructiongroup.com, blakeinternationalrigs.com, bmailweb.com and porterbilling.com.

siefkencontracting.com shares some mail servers with other domains, at least partially, for instance saberdt.com, harris-robinson.com, cbjlawfirm.com, tapmagic.com and hermoinee.com.

Host names with two IP numbers:

The host name mx1-us1.ppe-hosted.com points to 67.231.154.162 and 148.163.129.50; the host name mx2-us1.ppe-hosted.com points to 67.231.154.163 and 148.163.129.51.

siefkencontracting.com - robtex.com