`doctolib.engineering`

DNSSEC	⚠️ Not signed
A	165.160.13.20^{🇺🇸 CORPORATION-1165.160.13.0/24 251 Little Falls Drive Wilmington DE 19808 United States}
A	165.160.15.20^{🇺🇸 CORPORATION-1165.160.15.0/24 251 Little Falls Drive Wilmington DE 19808 United States}
NS	`dns1.cscdns.net` ⭐
		A	2610:a1:1022::100^{🇺🇸 MAINT-ID-120082610:a1:1022::/48 Neustar}
			PTR	`ns1.arcemus.com`
			PTR	`kandns06.digitalarchives.com`
			PTR	`ns1.euro909.com`
			PTR	`ns2.euro909.com`
			PTR	`indom10.indomco.com`
			PTR	`indom30.indomco.fr`
			PTR	`ns1.ascio.net`
			PTR	`ns3.ascio.net`
			PTR	`dns1.cscdns.net`
			PTR	`pdns1.cscdns.net`
			PTR	`sbdns3.cscdns.net`
			PTR	`spdns3.cscdns.net`
			PTR	`ns0.netnames.net`
			PTR	`ns1.netnames.net`
			PTR	`ns3.netnames.net`
			PTR	`ns5.netnames.net`
			PTR	`ns7.netnames.net`
			PTR	`indom130.indomco.org`
			PTR	`ns2.domainnetwork.se`
			PTR	`ns.domainnetwork.se`
		A	156.154.130.100^{🇺🇸 MAINT-ID-12008156.154.130.0/24 Neustar}
			PTR	`ns1.arcemus.com`
			PTR	`kandns06.digitalarchives.com`
			PTR	`ns1.euro909.com`
			PTR	`ns2.euro909.com`
			PTR	`indom10.indomco.com`
			PTR	`indom30.indomco.fr`
			PTR	`ns1.ascio.net`
			PTR	`ns3.ascio.net`
			PTR	`dns1.cscdns.net`
			PTR	`pdns1.cscdns.net`
			PTR	`sbdns3.cscdns.net`
			PTR	`spdns3.cscdns.net`
			PTR	`ns0.netnames.net`
			PTR	`ns1.netnames.net`
			PTR	`ns3.netnames.net`
			PTR	`ns5.netnames.net`
			PTR	`ns7.netnames.net`
			PTR	`indom130.indomco.org`
			PTR	`ns2.domainnetwork.se`
			PTR	`ns.domainnetwork.se`
NS	`dns2.cscdns.net`
		A	2610:a1:1023::100^{🇺🇸 MAINT-ID-120082610:a1:1023::/48 Neustar}
			PTR	`ns2.arcemus.com`
			PTR	`nusdns06.digitalarchives.com`
			PTR	`ns3.domainnetwork.com`
			PTR	`ns3.euro909.com`
			PTR	`indom80.indomco.hk`
			PTR	`ns2.ascio.net`
			PTR	`ns4.ascio.net`
			PTR	`dns2.cscdns.net`
			PTR	`pdns2.cscdns.net`
			PTR	`indom20.indomco.net`
			PTR	`ns2.netnames.net`
			PTR	`ns4.netnames.net`
			PTR	`ns6.netnames.net`
			PTR	`ns8.netnames.net`
		A	156.154.131.100^{🇺🇸 MAINT-ID-12008156.154.131.0/24 Neustar}
			PTR	`ns2.arcemus.com`
			PTR	`nusdns06.digitalarchives.com`
			PTR	`ns3.domainnetwork.com`
			PTR	`ns3.euro909.com`
			PTR	`indom80.indomco.hk`
			PTR	`ns2.ascio.net`
			PTR	`ns4.ascio.net`
			PTR	`dns2.cscdns.net`
			PTR	`pdns2.cscdns.net`
			PTR	`indom20.indomco.net`
			PTR	`ns2.netnames.net`
			PTR	`ns4.netnames.net`
			PTR	`ns6.netnames.net`
			PTR	`ns8.netnames.net`
MX	`custmx.cscdns.net` ⭐
		A	198.58.121.58^{🇺🇸 AKAMAI-LINODE-AP198.58.96.0/19 Akamai Technologies}
			PTR	`198-58-121-58.ip.linodeusercontent.com`
TXT	`v=spf1 include:_mailcust.gandi.net -all`
SOA	`dns1.cscdns.net`hostmaster@cscdns.net 2023-08-09 #8

`engineering`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.engineering` ⭐
	NS	`v0n1.nic.engineering`
	NS	`v0n2.nic.engineering`
	NS	`v0n3.nic.engineering`
	NS	`v2n0.nic.engineering`
	NS	`v2n1.nic.engineering`
	SOA	`v0n0.nic.engineering`hostmaster@donuts.email serial=1776944542

Same first word

Similar names

coldtobi.de

doctolbi.fr

DNS History

5 records (5 active, 0 former)

●NSdns1.cscdns.net2026-04-16 → 2026-04-23 · 2 obs

● 2026-04-16 10:45:44
● 2026-04-23 12:13:08

●NSdns2.cscdns.net2026-04-16 → 2026-04-23 · 2 obs

● 2026-04-16 10:45:44
● 2026-04-23 12:13:08

●MXcustmx.cscdns.net2026-04-16 → 2026-04-23 · 2 obs

● 2026-04-16 10:45:44
● 2026-04-23 12:13:08

●A165.160.13.202026-04-16 → 2026-04-23 · 2 obs

● 2026-04-16 10:45:44
● 2026-04-23 12:13:08

●A165.160.15.202026-04-16 → 2026-04-23 · 2 obs

● 2026-04-16 10:45:44
● 2026-04-23 12:13:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
engineering	v0n0.nic.engineering, v0n1.nic.engineering, v0n2.nic.engineering, v0n3.nic.engineering...	12 records
doctolib.engineering	dns2.cscdns.net, dns1.cscdns.net	-

✅ Authoritative Response

Server:156.154.130.100

NS records: dns2.cscdns.net, dns1.cscdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doctolib.engineering (unsigned zone)

⏱️ Timing

Total: 522ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`165.160.13.20, 165.160.15.20`
NS	2	`dns1.cscdns.net, dns2.cscdns.net`
MX	1	`custmx.cscdns.net (pri: 10)`
TXT	1	`v=spf1 include:_mailcust.gandi.net -all`
SOA	1	`dns1.cscdns.net hostmaster.cscdns.net`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.engineering, v0n1.nic.engineering, v0n2.nic.engineering...)

Analysis

IP Addresses

doctolib.engineering resolves to two IP numbers: 165.160.13.20 and 165.160.15.20.

Other host names, for instance siliconvalleybankukltd.wine, kwak.eu, tdruist.com, mygmcmyway.com and www.astorbar.com share IP numbers with doctolib.engineering.

Name Servers

Two name servers dns1.cscdns.net and dns2.cscdns.net handle delegation for doctolib.engineering.

doctolib.engineering uses the same name server setup as other domains, for example lecercledesplanteurs.com, bca-direct.net, piratelatitudes-themovie.org, capital-resources.biz and isplumrightforyou.com.

doctolib.engineering partially shares name servers with other domains; examples include countrywidehomeloasn.com, pinnaclevodkasweeps.com, lasallebankunitedway.org, passcreditcard.org and bankofamerica-2log.com.

These name servers are often used with the name servers ns101.bac.com and ns102.bac.com.

Host names with two IP numbers:

dns1.cscdns.net points to: 2610:a1:1022::100 and 156.154.130.100

dns2.cscdns.net points to: 2610:a1:1023::100 and 156.154.131.100

Mail Servers

doctolib.engineering is handled by a single mail server, custmx.cscdns.net.

doctolib.engineering has the same mail server setup as other domains, including rcrtechnologies.com.au, egepargne.com, mywarnerstay.co.uk, pricesimmsbenefits.com and searchlightpictures.com.tr.

custmx.cscdns.net points to a single IP: 198.58.121.58.

doctolib.engineering - robtex.com