efprof.com - robtex.com

efprof.com

DNSSEC⚠️ Not signed
A16.146.0.41🇺🇸 Amazon16.146.0.0/17 EC2 Prefix
PTRec2-16-146-0-41.us-west-2.compute.amazonaws.com
A52.24.56.6🇺🇸 Amazon52.24.0.0/14 EC2 PDX prefix
A52.32.127.166🇺🇸 Amazon52.32.0.0/14 EC2 PDX prefix
A100.23.133.162🇺🇸 Amazon100.20.0.0/14 EC2 PDX prefix
NSns-1910.awsdns-46.co.uk ⭐
A2600:9000:5307:7600::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1910.awsdns-46.co.uk
A205.251.199.118🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1910.awsdns-46.co.uk
NSns-1433.awsdns-51.org
A2600:9000:5305:9900::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1433.awsdns-51.org
A205.251.197.153🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1433.awsdns-51.org
NSns-675.awsdns-20.net
A2600:9000:5302:a300::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-675.awsdns-20.net
A205.251.194.163🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-675.awsdns-20.net
NSns-92.awsdns-11.com
A2600:9000:5300:5c00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-92.awsdns-11.com
A205.251.192.92🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-92.awsdns-11.com
SOAns-1910.awsdns-46.co.ukawsdns-hostmaster@amazon.com serial=1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Same first word

efprof.com

Similar names

poffer.com
effpro.eu
effpro.jp
effpro.com
proffe.no
effpro.de
proffe.com.tr
proffe.de
proeff.com
peroff.com
ffepro.com
proffe.cl
effpro.se
proeff.de
offerp.com

DNS History

23 records (8 active, 15 former)

20162017201820192020202120222023202420252026NSns-1433.awsdns-51.orgns-1910.awsdns-46.co.ukns-675.awsdns-20.netns-92.awsdns-11.comns39.domaincontrol.comns40.domaincontrol.comA100.23.133.16216.146.0.4152.24.56.652.32.127.166100.22.178.95100.23.185.209100.23.33.93100.23.35.7816.146.142.244216.121.112.22644.235.17.4152.32.173.15052.38.93.15952.88.9.2954.201.203.4554.203.35.23954.68.161.170
●NSns-1433.awsdns-51.org2016-01-14 → 2026-03-02 · 3 obs
○ 2015-11-30 05:17:34
● 2016-01-14 01:24:28
● 2026-03-02 07:59:16
●NSns-1910.awsdns-46.co.uk2016-01-14 → 2026-03-02 · 3 obs
○ 2015-11-30 05:17:34
● 2016-01-14 01:24:28
● 2026-03-02 07:59:16
●NSns-675.awsdns-20.net2016-01-14 → 2026-03-02 · 3 obs
○ 2015-11-30 05:17:34
● 2016-01-14 01:24:28
● 2026-03-02 07:59:16
●NSns-92.awsdns-11.com2016-01-14 → 2026-03-02 · 3 obs
○ 2015-11-30 05:17:34
● 2016-01-14 01:24:28
● 2026-03-02 07:59:16
○NSns39.domaincontrol.com2015-07-22 → 2015-11-30 · 4 obs
● 2015-07-22 12:19:38
● 2015-11-30 05:17:34
○ 2016-01-14 01:24:28
○ 2026-03-02 07:59:16
○NSns40.domaincontrol.com2015-07-22 → 2015-11-30 · 4 obs
● 2015-07-22 12:19:38
● 2015-11-30 05:17:34
○ 2016-01-14 01:24:28
○ 2026-03-02 07:59:16
○A100.22.178.952026-02-14 → 2026-02-17 · 5 obs
○ 2017-04-09 06:46:36
● 2026-02-14 18:29:38
● 2026-02-17 05:48:02
○ 2026-02-24 14:42:56
○ 2026-03-02 07:59:16
●A100.23.133.1622026-03-02 → 2026-03-02 · 2 obs
○ 2026-02-24 14:42:56
● 2026-03-02 07:59:16
○A100.23.185.2092026-02-24 → 2026-02-24 · 3 obs
○ 2026-02-17 05:48:02
● 2026-02-24 14:42:56
○ 2026-03-02 07:59:16
○A100.23.33.932026-02-14 → 2026-02-17 · 5 obs
○ 2017-04-09 06:46:36
● 2026-02-14 18:29:38
● 2026-02-17 05:48:02
○ 2026-02-24 14:42:56
○ 2026-03-02 07:59:16
○A100.23.35.782026-02-14 → 2026-03-02 · 2 obs
○ 2026-02-14 18:29:38
○ 2026-03-02 07:59:16
●A16.146.0.412026-03-02 → 2026-03-02 · 2 obs
○ 2026-02-24 14:42:56
● 2026-03-02 07:59:16
○A16.146.142.2442026-02-14 → 2026-03-02 · 2 obs
○ 2026-02-14 18:29:38
○ 2026-03-02 07:59:16
○A216.121.112.2262015-07-22 → 2015-11-30 · 4 obs
● 2015-07-22 12:19:38
● 2015-11-30 05:17:34
○ 2016-01-14 01:24:28
○ 2026-03-02 07:59:16
○A44.235.17.412026-02-14 → 2026-02-17 · 5 obs
○ 2017-04-09 06:46:36
● 2026-02-14 18:29:38
● 2026-02-17 05:48:02
○ 2026-02-24 14:42:56
○ 2026-03-02 07:59:16
●A52.24.56.62026-02-24 → 2026-03-02 · 3 obs
○ 2026-02-17 05:48:02
● 2026-02-24 14:42:56
● 2026-03-02 07:59:16
●A52.32.127.1662026-03-02 → 2026-03-02 · 2 obs
○ 2026-02-24 14:42:56
● 2026-03-02 07:59:16
○A52.32.173.1502016-01-14 → 2017-04-09 · 5 obs
○ 2015-11-30 05:17:34
● 2016-01-14 01:24:28
● 2017-04-09 06:46:36
○ 2026-02-14 18:29:38
○ 2026-03-02 07:59:16
○A52.38.93.1592026-02-14 → 2026-03-02 · 2 obs
○ 2026-02-14 18:29:38
○ 2026-03-02 07:59:16
○A52.88.9.292026-02-14 → 2026-03-02 · 2 obs
○ 2026-02-14 18:29:38
○ 2026-03-02 07:59:16
○A54.201.203.452026-02-24 → 2026-02-24 · 3 obs
○ 2026-02-17 05:48:02
● 2026-02-24 14:42:56
○ 2026-03-02 07:59:16
○A54.203.35.2392026-02-24 → 2026-02-24 · 3 obs
○ 2026-02-17 05:48:02
● 2026-02-24 14:42:56
○ 2026-03-02 07:59:16
○A54.68.161.1702026-02-14 → 2026-02-17 · 5 obs
○ 2017-04-09 06:46:36
● 2026-02-14 18:29:38
● 2026-02-17 05:48:02
○ 2026-02-24 14:42:56
○ 2026-03-02 07:59:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net...-
efprof.comns-92.awsdns-11.com, ns-675.awsdns-20.net, ns-1910.awsdns-46.co.uk, ns-1433.awsdns-51.org1 record

✅ Authoritative Response

Server: 205.251.192.92

NS records: ns-92.awsdns-11.com, ns-675.awsdns-20.net, ns-1910.awsdns-46.co.uk, ns-1433.awsdns-51.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for efprof.com (unsigned zone)

⏱️ Timing

Total: 340ms | Queries: -

📄 Records

TypeCountSample Data
A4100.23.133.162, 52.24.56.6...
NS4ns-1433.awsdns-51.org, ns-1910.awsdns-46.co.uk...
SOA1ns-1910.awsdns-46.co.uk awsdns-hostmaste

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-92.awsdns-11.com)

Analysis

IP Addresses

efprof.com resolves to four IPs: 16.146.0.41, 52.24.56.6, 52.32.127.166 and 100.23.133.162.

Other host names, for instance, nhprof.com, ec2-52-24-56-6.us-west-2.compute.amazonaws.com, ec2-52-32-127-166.us-west-2.compute.amazonaws.com and cosmosdbprof.com share IP numbers with efprof.com.

Name Servers

efprof.com is delegated to four name servers: ns-92.awsdns-11.com, ns-675.awsdns-20.net, ns-1433.awsdns-51.org and ns-1910.awsdns-46.co.uk.

efprof.com shares some name servers with other domains, for example mediaacademy.sg, craballeyoc.com, soin.us, ictpro.co.nz and pearlanalytics.io.

these name servers are often used with sdns3.ultradns.biz, sdns3.ultradns.com, ns-531.awsdns-02.net, sdns3.ultradns.net, ns-1499.awsdns-59.org, sdns3.ultradns.org, ns-1567.awsdns-03.co.uk, ns-805.awsdns-36.net, ns-213.awsdns-26.com and ns-677.awsdns-20.net.

Host names with two IP numbers

Two IPs per host:

ns-92.awsdns-11.com points to 2600:9000:5300:5c00::1 and 205.251.192.92

ns-675.awsdns-20.net points to 2600:9000:5302:a300::1 and 205.251.194.163

ns-1433.awsdns-51.org points to 2600:9000:5305:9900::1 and 205.251.197.153

ns-1910.awsdns-46.co.uk points to 2600:9000:5307:7600::1 and 205.251.199.118