`icfinternational.org`

DNSSEC	⚠️ Not signed
A	52.160.192.200^{🇺🇸 Microsoft52.160.0.0/11 MICROSOFT}
NS	`edns2.ultradns.com` ⭐
		A	2001:502:f3ff::202^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`edns2.ultradns.com`
		A	204.74.66.2^{🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar}
			PTR	`edns2.ultradns.com`
NS	`edns2.ultradns.biz`
		A	2610:a1:1015::202^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`edns2.ultradns.biz`
		A	204.74.67.2^{🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar}
			PTR	`edns2.ultradns.biz`
NS	`edns2.ultradns.net`
		A	2610:a1:1014::202^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`edns2.ultradns.net`
		A	204.74.110.2^{🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar}
			PTR	`edns2.ultradns.net`
NS	`edns2.ultradns.org`
		A	2001:502:4612::202^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`edns2.ultradns.org`
		A	204.74.111.2^{🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar}
			PTR	`edns2.ultradns.org`
SOA	`edns2.ultradns.com`premiumdns@support.neustar 2019-09-14 #9

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1778747618

Same first word

icfinternational.co.uk

icfinternational.net

icfinternational.com

icfinternational.ca

icfinternational.in

icfinternational.org

icfinternational.eu

Similar names

cifinternational.com

ficinternational.com

DNS History

9 records (5 active, 4 former)

○NSa1.verisigndns.com2015-08-05 → 2017-04-19 · 4 obs

● 2015-08-05 19:02:02
● 2017-04-19 04:16:34
○ 2026-03-26 17:29:08
○ 2026-05-14 08:43:34

○NSa2.verisigndns.com2015-08-05 → 2017-04-19 · 4 obs

● 2015-08-05 19:02:02
● 2017-04-19 04:16:34
○ 2026-03-26 17:29:08
○ 2026-05-14 08:43:34

○NSa3.verisigndns.com2015-08-05 → 2017-04-19 · 4 obs

● 2015-08-05 19:02:02
● 2017-04-19 04:16:34
○ 2026-03-26 17:29:08
○ 2026-05-14 08:43:34

●NSedns2.ultradns.biz2026-03-26 → 2026-05-14 · 3 obs

○ 2017-04-19 04:16:34
● 2026-03-26 17:29:08
● 2026-05-14 08:43:34

●NSedns2.ultradns.com2026-03-26 → 2026-05-14 · 3 obs

○ 2017-04-19 04:16:34
● 2026-03-26 17:29:08
● 2026-05-14 08:43:34

●NSedns2.ultradns.net2026-03-26 → 2026-05-14 · 3 obs

○ 2017-04-19 04:16:34
● 2026-03-26 17:29:08
● 2026-05-14 08:43:34

●NSedns2.ultradns.org2026-03-26 → 2026-05-14 · 3 obs

○ 2017-04-19 04:16:34
● 2026-03-26 17:29:08
● 2026-05-14 08:43:34

○A199.223.22.1452015-08-05 → 2017-04-19 · 4 obs

● 2015-08-05 19:02:02
● 2017-04-19 04:16:34
○ 2026-03-26 17:29:08
○ 2026-05-14 08:43:34

●A52.160.192.2002026-03-26 → 2026-05-14 · 3 obs

○ 2017-04-19 04:16:34
● 2026-03-26 17:29:08
● 2026-05-14 08:43:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
icfinternational.org	edns2.ultradns.org, edns2.ultradns.biz, edns2.ultradns.com, edns2.ultradns.net	2 records

✅ Authoritative Response

Server:204.74.110.2

NS records: edns2.ultradns.org, edns2.ultradns.biz, edns2.ultradns.com, edns2.ultradns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for icfinternational.org (unsigned zone)

⏱️ Timing

Total: 841ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.160.192.200`
NS	4	`edns2.ultradns.biz, edns2.ultradns.com...`
SOA	1	`edns2.ultradns.com premiumdns.support.ne`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (edns2.ultradns.org, edns2.ultradns.org)

Analysis

IP Addresses

icfinternational.org resolves to one IP number: 52.160.192.200.

other host names including icfsucks.org, energyblog.icfi.com, hcs.icfi.com, www.icfi.com and esacinc.com share IP numbers with icfinternational.org.

Name Servers

icfinternational.org is delegated to four name servers: edns2.ultradns.biz, edns2.ultradns.com, edns2.ultradns.net and edns2.ultradns.org.

icfinternational.org at least partially shares name servers with other domains, for instance stargatefanclub.com, royalton.us, m-g-m-sucks.net, syncmobile.com and detla.com.

These name servers are commonly used alongside edns1.ultradns.biz, edns1.ultradns.com, edns1.ultradns.net, edns1.ultradns.org, ns93.ultradns2.com and ns93.ultradns2.org.

Host names with two IP numbers:

edns2.ultradns.biz points to 2610:a1:1015::202 and 204.74.67.2; edns2.ultradns.com points to 2001:502:f3ff::202 and 204.74.66.2; edns2.ultradns.net points to 2610:a1:1014::202 and 204.74.110.2; edns2.ultradns.org points to 2001:502:4612::202 and 204.74.111.2.

icfinternational.org - robtex.com