`btcontracting.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns3.afternic.com` ⭐
		A	97.74.98.65^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns3.afternic.com`
NS	`ns4.afternic.com`
		A	173.201.66.65^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns4.namefind.com`
NS	`verification-vkvynnbekxxmvrztcbyrgv.ns101.verify.hn` ⚠️ Not in zone NS records
		A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
		A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
TXT	`v=spf1 -all`
SOA	`ns3.afternic.com`dns@jomax.net 2025-10-01 #0

`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=1785928889

WOT: SAFE (61/100)

Subdomains

mx.btcontracting.com

null.btcontracting.com

Same first word

btcontracting.com

DNS History

13 records (5 active, 8 former)

○NSns1.netfirms.com2015-08-12 → 2016-03-08 · 4 obs

● 2015-08-12 21:33:34
● 2016-03-08 22:18:28
○ 2016-09-11 13:53:38
○ 2026-08-05 11:37:28

○NSns1.sedoparking.com2017-04-07 → 2017-04-07 · 4 obs

○ 2016-09-11 13:53:38
● 2017-04-07 03:09:04
○ 2026-05-26 18:07:18
○ 2026-08-05 11:37:28

○NSns2.netfirms.com2015-08-12 → 2016-03-08 · 4 obs

● 2015-08-12 21:33:34
● 2016-03-08 22:18:28
○ 2016-09-11 13:53:38
○ 2026-08-05 11:37:28

○NSns2.sedoparking.com2017-04-07 → 2017-04-07 · 4 obs

○ 2016-09-11 13:53:38
● 2017-04-07 03:09:04
○ 2026-05-26 18:07:18
○ 2026-08-05 11:37:28

●NSns3.afternic.com2026-05-26 → 2026-08-05 · 3 obs

○ 2017-04-07 03:09:04
● 2026-05-26 18:07:18
● 2026-08-05 11:37:28

●NSns4.afternic.com2026-05-26 → 2026-08-05 · 3 obs

○ 2017-04-07 03:09:04
● 2026-05-26 18:07:18
● 2026-08-05 11:37:28

●NSverification-vkvynnbekxxmvrztcbyrgv.ns101.verify.hn2026-05-26 → 2026-08-05 · 3 obs

○ 2017-04-07 03:09:04
● 2026-05-26 18:07:18
● 2026-08-05 11:37:28

○MXlocalhost2017-04-07 → 2017-04-07 · 4 obs

○ 2016-09-11 13:53:38
● 2017-04-07 03:09:04
○ 2026-05-26 18:07:18
○ 2026-08-05 11:37:28

○MXmx.btcontracting.com2015-08-12 → 2016-03-08 · 4 obs

● 2015-08-12 21:33:34
● 2016-03-08 22:18:28
○ 2016-09-11 13:53:38
○ 2026-08-05 11:37:28

●A13.248.169.482026-05-26 → 2026-08-05 · 3 obs

○ 2017-04-07 03:09:04
● 2026-05-26 18:07:18
● 2026-08-05 11:37:28

○A66.96.160.1472015-08-12 → 2016-03-08 · 4 obs

● 2015-08-12 21:33:34
● 2016-03-08 22:18:28
○ 2016-09-11 13:53:38
○ 2026-08-05 11:37:28

○A72.52.4.1222017-04-07 → 2017-04-07 · 4 obs

○ 2016-09-11 13:53:38
● 2017-04-07 03:09:04
○ 2026-05-26 18:07:18
○ 2026-08-05 11:37:28

●A76.223.54.1462026-05-26 → 2026-08-05 · 3 obs

○ 2017-04-07 03:09:04
● 2026-05-26 18:07:18
● 2026-08-05 11:37:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net...	-
btcontracting.com	ns3.afternic.com, ns4.afternic.com, verification-vkvynnbekxxmvrztcbyrgv.ns101.verify.hn	2 records

✅ Authoritative Response

Server:173.201.66.65

NS records: ns3.afternic.com, ns4.afternic.com, verification-vkvynnbekxxmvrztcbyrgv.ns101.verify.hn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for btcontracting.com (unsigned zone)

⏱️ Timing

Total: 3291ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns3.afternic.com, ns4.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns3.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)

Analysis

Hierarchy

btcontracting.com serves as the parent of mx.btcontracting.com and null.btcontracting.com.

IP Addresses

btcontracting.com resolves to the IP addresses 13.248.169.48 and 76.223.54.146

www.sspz.com, eerb.xyz, symptomizer.com plus two other host names have IP numbers in common with btcontracting.com.

Name Servers

The authoritative name servers for btcontracting.com are ns3.afternic.com, ns4.afternic.com and verification-vkvynnbekxxmvrztcbyrgv.ns101.verify.hn — three in total.

btcontracting.com has at least partial name server overlap with other domains, such as josephjenkinsflooring.com, dedingit.com, svbiz.com and two others.

It is common to find these name servers paired with the name servers verification-gx9m4qbbvukhxvxdk2zdbk.ns101.verify.hn.

Host names pointing to two IP addresses:

verification-vkvynnbekxxmvrztcbyrgv.ns101.verify.hn directs traffic to 13.248.169.48 and 76.223.54.146.

Host names resolving to a single IP address:

ns3.afternic.com has the IP address 97.74.98.65.

ns4.afternic.com has the IP address 173.201.66.65.

btcontracting.com - robtex.com