`denningconstructionllc.com`

DNSSEC	⚠️ Not signed
A	12.148.217.37^{🇺🇸 AS701812.128.0.0/9 12/8 upper half}
NS	`ns1.firstnetimpressions.com` ⭐
		A	12.148.217.34^{🇺🇸 AS701812.128.0.0/9 12/8 upper half}
NS	`ns2.firstnetimpressions.com`
		A	47.44.90.227^{🇺🇸 Charter_Communications47.44.80.0/20}
MX	`mx2.site.atfni.com` ⭐
		A	12.148.217.47^{🇺🇸 AS701812.128.0.0/9 12/8 upper half}
		A	47.44.90.239^{🇺🇸 Charter_Communications47.44.80.0/20}
MX	`mx4.site.atfni.com`⁽²⁰⁾
		A	12.148.217.36^{🇺🇸 AS701812.128.0.0/9 12/8 upper half}
		A	47.44.90.228^{🇺🇸 Charter_Communications47.44.80.0/20}
TXT	`v=spf1 include:spf.site.atfni.com -all`
SOA	`ns1.firstnetimpressions.com`hostmaster@firstnetimpressions.com serial=3158

`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=1774673307

Same first word

denningconstructionllc.com

DNS History

16 records (5 active, 11 former)

○NShidden-master.yahoo.com2015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 09:29:58
○ 2015-11-11 06:46:18
○ 2026-03-28 05:03:42

○NSno-dyn-updates.san.yahoo.com2015-07-10 → 2016-02-05 · 4 obs

● 2015-07-10 09:29:58
● 2016-02-05 16:32:50
○ 2016-04-28 12:02:42
○ 2026-03-28 05:03:42

●NSns1.firstnetimpressions.com2016-04-28 → 2026-03-28 · 3 obs

○ 2016-02-05 16:32:50
● 2016-04-28 12:02:42
● 2026-03-28 05:03:42

●NSns2.firstnetimpressions.com2016-04-28 → 2026-03-28 · 3 obs

○ 2016-02-05 16:32:50
● 2016-04-28 12:02:42
● 2026-03-28 05:03:42

○NSyns1.yahoo.com2015-07-10 → 2016-02-05 · 4 obs

● 2015-07-10 09:29:58
● 2016-02-05 16:32:50
○ 2016-04-28 12:02:42
○ 2026-03-28 05:03:42

○NSyns2.yahoo.com2015-07-10 → 2016-02-05 · 4 obs

● 2015-07-10 09:29:58
● 2016-02-05 16:32:50
○ 2016-04-28 12:02:42
○ 2026-03-28 05:03:42

○MXmx-biz.mail.am0.yahoodns.net2015-07-10 → 2016-02-05 · 4 obs

● 2015-07-10 09:29:58
● 2016-02-05 16:32:50
○ 2016-04-28 12:02:42
○ 2026-03-28 05:03:42

○MXmx2.firstnetimpressions.com2016-04-28 → 2016-12-27 · 5 obs

○ 2016-02-05 16:32:50
● 2016-04-28 12:02:42
● 2016-12-27 01:13:18
○ 2018-06-28 05:16:16
○ 2026-03-28 05:03:42

●MXmx2.site.atfni.com2018-06-28 → 2026-03-28 · 3 obs

○ 2016-12-27 01:13:18
● 2018-06-28 05:16:16
● 2026-03-28 05:03:42

○MXmx4.firstnetimpressions.com2016-04-28 → 2016-12-27 · 5 obs

○ 2016-02-05 16:32:50
● 2016-04-28 12:02:42
● 2016-12-27 01:13:18
○ 2018-06-28 05:16:16
○ 2026-03-28 05:03:42

●MXmx4.site.atfni.com2018-06-28 → 2026-03-28 · 3 obs

○ 2016-12-27 01:13:18
● 2018-06-28 05:16:16
● 2026-03-28 05:03:42

●A12.148.217.372018-06-28 → 2026-03-28 · 3 obs

○ 2016-12-27 01:13:18
● 2018-06-28 05:16:16
● 2026-03-28 05:03:42

○A12.148.217.552016-12-27 → 2016-12-27 · 4 obs

○ 2016-04-28 12:02:42
● 2016-12-27 01:13:18
○ 2018-06-28 05:16:16
○ 2026-03-28 05:03:42

○A206.176.210.1902015-11-11 → 2016-02-05 · 5 obs

○ 2015-07-10 09:29:58
● 2015-11-11 06:46:18
● 2016-02-05 16:32:50
○ 2016-04-28 12:02:42
○ 2026-03-28 05:03:42

○A71.87.1.1472016-04-28 → 2016-04-28 · 4 obs

○ 2016-02-05 16:32:50
● 2016-04-28 12:02:42
○ 2016-12-27 01:13:18
○ 2026-03-28 05:03:42

○A72.21.92.42015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 09:29:58
○ 2015-11-11 06:46:18
○ 2026-03-28 05:03:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
denningconstructionllc.com	ns1.firstnetimpressions.com, ns2.firstnetimpressions.com	2 records

✅ Authoritative Response

Server:47.44.90.227

NS records: ns1.firstnetimpressions.com, ns2.firstnetimpressions.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for denningconstructionllc.com (unsigned zone)

⏱️ Timing

Total: 280ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`12.148.217.37`
NS	2	`ns1.firstnetimpressions.com, ns2.firstnetimpressions.com`
MX	2	`mx2.site.atfni.com (pri: 10), mx4.site.atfni.com (pri: 20)`
TXT	1	`v=spf1 include:spf.site.atfni.com -all`
SOA	1	`ns1.firstnetimpressions.com hostmaster.f`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.firstnetimpressions.com, ns2.firstnetimpressions.com)

Analysis

IP Addresses

denningconstructionllc.com resolves to a single IP address: 12.148.217.37.

Other host names including nysdtsea.org, cvosm.com, phbinc.com, qualitygeeks.com and oakleafclinics.com share IP numbers with denningconstructionllc.com.

Name Servers

denningconstructionllc.com's delegation uses two name servers, ns1.firstnetimpressions.com and ns2.firstnetimpressions.com.

denningconstructionllc.com shares the same name server setup as other domains, for example affianceinsurance.com, 224-255.90.44.47.in-addr.arpa, ever-greenservices.com, bandbelectric.com and driversedwebsites.com.

denningconstructionllc.com at least partially shares name servers with other domains, including completeinsuranceofeauclaire.com, overbekedriving.com, sfrindustries.com, atreasurecoastdrivingschool.com and brotoloc.com.

Host names with a single IP:

ns1.firstnetimpressions.com points to 12.148.217.34.

ns2.firstnetimpressions.com points to 47.44.90.227.

Mail Servers

denningconstructionllc.com is handled by two mail servers: mx2.site.atfni.com and mx4.site.atfni.com.

denningconstructionllc.com shares its mail server setup with other domains, including rindaltransport.com, jayssignservice.com, sedrivertrainingcenter.com, fnitools.com and modernapproaches.com.

denningconstructionllc.com shares at least partially some mail servers with other domains, for instance firstnetimpressions.com, nasiroofing.com and qualitygeeks.com.

Host names with two IPs:

mx2.site.atfni.com points to: 12.148.217.47 and 47.44.90.239

mx4.site.atfni.com points to: 12.148.217.36 and 47.44.90.228

denningconstructionllc.com - robtex.com