problemengineering.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`problemengineering.com`

DNSSEC	⚠️ Not signed
NS	`delilah.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2663^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`delilah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c263^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`delilah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2263^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`delilah.ns.cloudflare.com`
		A	108.162.194.99^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`delilah.ns.cloudflare.com`
		A	162.159.38.99^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`delilah.ns.cloudflare.com`
		A	172.64.34.99^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`delilah.ns.cloudflare.com`
NS	`osmar.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c7c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`osmar.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`osmar.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`osmar.ns.cloudflare.com`
		A	108.162.195.124^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`osmar.ns.cloudflare.com`
		A	162.159.44.124^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`osmar.ns.cloudflare.com`
		A	172.64.35.124^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`osmar.ns.cloudflare.com`
SOA	`delilah.ns.cloudflare.com`dns@cloudflare.com serial=2417076141

`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=1791878704

Same first word

problemengineering.com

Similar names

engineeringproblem.com

Previous names

Next names

DNS History

12 records (2 active, 10 former)

●NSdelilah.ns.cloudflare.com2026-08-31 → 2026-10-13 · 3 obs

○ 2017-04-02 07:27:02
● 2026-08-31 02:22:14
● 2026-10-13 08:14:32

○NSns-uk.1and1-dns.biz2015-05-19 → 2017-04-02 · 4 obs

● 2015-05-19 18:51:40
● 2017-04-02 07:27:02
○ 2026-08-31 02:22:14
○ 2026-10-13 08:14:32

○NSns-uk.1and1-dns.co.uk2015-05-19 → 2017-04-02 · 4 obs

● 2015-05-19 18:51:40
● 2017-04-02 07:27:02
○ 2026-08-31 02:22:14
○ 2026-10-13 08:14:32

○NSns-uk.1and1-dns.com2015-05-19 → 2017-04-02 · 4 obs

● 2015-05-19 18:51:40
● 2017-04-02 07:27:02
○ 2026-08-31 02:22:14
○ 2026-10-13 08:14:32

○NSns-uk.1and1-dns.org2015-05-19 → 2017-04-02 · 4 obs

● 2015-05-19 18:51:40
● 2017-04-02 07:27:02
○ 2026-08-31 02:22:14
○ 2026-10-13 08:14:32

●NSosmar.ns.cloudflare.com2026-08-31 → 2026-10-13 · 3 obs

○ 2017-04-02 07:27:02
● 2026-08-31 02:22:14
● 2026-10-13 08:14:32

○MXmx00.1and1.co.uk2015-05-19 → 2017-04-02 · 4 obs

● 2015-05-19 18:51:40
● 2017-04-02 07:27:02
○ 2026-08-31 02:22:14
○ 2026-10-13 08:14:32

○MXmx01.1and1.co.uk2015-05-19 → 2017-04-02 · 4 obs

● 2015-05-19 18:51:40
● 2017-04-02 07:27:02
○ 2026-08-31 02:22:14
○ 2026-10-13 08:14:32

○A2001:8d8:1000:f3d0:8212:3c8e:aae9:e8212016-09-07 → 2017-04-02 · 5 obs

○ 2016-03-21 20:20:00
● 2016-09-07 13:59:32
● 2017-04-02 07:27:02
○ 2026-08-31 02:22:14
○ 2026-10-13 08:14:32

○A2001:8d8:1000:f3d0:f602:8db1:5942:98152015-05-19 → 2016-03-21 · 4 obs

● 2015-05-19 18:51:40
● 2016-03-21 20:20:00
○ 2016-09-07 13:59:32
○ 2026-10-13 08:14:32

○A217.160.230.2212016-09-07 → 2017-04-02 · 5 obs

○ 2016-03-21 20:20:00
● 2016-09-07 13:59:32
● 2017-04-02 07:27:02
○ 2026-08-31 02:22:14
○ 2026-10-13 08:14:32

○A82.165.243.1812015-05-19 → 2016-03-21 · 4 obs

● 2015-05-19 18:51:40
● 2016-03-21 20:20:00
○ 2016-09-07 13:59:32
○ 2026-10-13 08:14:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net...	-
problemengineering.com	delilah.ns.cloudflare.com, osmar.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.99

NS records: delilah.ns.cloudflare.com, osmar.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for problemengineering.com (unsigned zone)

⏱️ Timing

Total: 283ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`delilah.ns.cloudflare.com, osmar.ns.cloudflare.com`
SOA	1	`delilah.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (delilah.ns.cloudflare.com, delilah.ns.cloudflare.com, delilah.ns.cloudflare.com...)

Analysis

Name Servers

Two name servers handle the delegation for problemengineering.com: delilah.ns.cloudflare.com and osmar.ns.cloudflare.com.

The name server configuration of problemengineering.com is shared with other domains, for instance rapirykoq.pro, pc28navigation14.vip, pc2811.vip and two others.

There is at least partial name server overlap between problemengineering.com and other domains — security-lab-ipzm251-026-chva.pp.ua, dy2tkv70671763.vip, accidentinjurylawyers.cyou and two more among them.

The name servers leia.ns.cloudflare.com, harvey.ns.cloudflare.com and josh.ns.cloudflare.com are often found in combination with these name servers.

Hosts with 6 IP addresses each:

delilah.ns.cloudflare.com resolves to 108.162.194.99, 162.159.38.99 and 172.64.34.99 among others, with 3 other IP addresses in total.

osmar.ns.cloudflare.com resolves to 108.162.195.124, 162.159.44.124 and 172.64.35.124 among others, with 3 other IP addresses in total.