🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`concern.info`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3b07^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a762^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.59.7^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.167.98^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
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	`trevor.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c9a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trevor.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`trevor.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`trevor.ns.cloudflare.com`
		A	108.162.195.154^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trevor.ns.cloudflare.com`
		A	162.159.44.154^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trevor.ns.cloudflare.com`
		A	172.64.35.154^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trevor.ns.cloudflare.com`
MX	`mx.park.big-dns.com` ⭐
TXT	`a86c4ac9f9aaf4d0d23910a86de14ad6b2011ed6`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.59.7, 172.67.167.98
		IPv6 hints	2606:4700:3030::6815:3b07, 2606:4700:3036::ac43:a762
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=65, name=cloudflare-ech.com
SOA	`delilah.ns.cloudflare.com`dns@cloudflare.com serial=2411836789

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1786868278

Same first word

concern.eu

concern.be

concern.es

concern.org.uk

concern.nl

concern.co.nz

concern.dk

concern.de

concern.cn

concern.com.tw

concern.com.my

concern.com.ua

concern.info

concern.demon.nl

concern.com.sg

concern.co.jp

concern.ie

concern.net

concern.se

concern.us

concern.sakura.ne.jp

concern.or.kr

concern.kz

concern.com

concern.ca

concern.in

concern.shop

concern.group

concern.biz

Similar names

renccon.com

norccen.com

DNS History

26 records (7 active, 19 former)

●NSdelilah.ns.cloudflare.com2026-02-28 → 2026-08-16 · 3 obs

○ 2017-04-19 17:40:32
● 2026-02-28 23:40:48
● 2026-08-16 08:29:36

○NSns1.bodis.com2016-06-27 → 2016-06-27 · 4 obs

○ 2016-01-19 19:26:16
● 2016-06-27 04:37:34
○ 2017-04-19 17:40:32
○ 2026-08-16 08:29:36

○NSns1.flippa.com2016-01-19 → 2016-01-19 · 4 obs

○ 2015-10-13 16:04:42
● 2016-01-19 19:26:16
○ 2016-06-27 04:37:34
○ 2026-08-16 08:29:36

○NSns1.undeveloped.com2017-04-19 → 2017-04-19 · 4 obs

○ 2016-06-27 04:37:34
● 2017-04-19 17:40:32
○ 2026-02-28 23:40:48
○ 2026-08-16 08:29:36

○NSns1.yourhostingaccount.com2015-05-22 → 2015-10-13 · 4 obs

● 2015-05-22 10:29:02
● 2015-10-13 16:04:42
○ 2016-01-19 19:26:16
○ 2026-08-16 08:29:36

○NSns2.bodis.com2016-06-27 → 2016-06-27 · 4 obs

○ 2016-01-19 19:26:16
● 2016-06-27 04:37:34
○ 2017-04-19 17:40:32
○ 2026-08-16 08:29:36

○NSns2.flippa.com2016-01-19 → 2016-01-19 · 4 obs

○ 2015-10-13 16:04:42
● 2016-01-19 19:26:16
○ 2016-06-27 04:37:34
○ 2026-08-16 08:29:36

○NSns2.undeveloped.com2017-04-19 → 2017-04-19 · 4 obs

○ 2016-06-27 04:37:34
● 2017-04-19 17:40:32
○ 2026-02-28 23:40:48
○ 2026-08-16 08:29:36

○NSns2.yourhostingaccount.com2015-05-22 → 2015-10-13 · 4 obs

● 2015-05-22 10:29:02
● 2015-10-13 16:04:42
○ 2016-01-19 19:26:16
○ 2026-08-16 08:29:36

●NStrevor.ns.cloudflare.com2026-02-28 → 2026-08-16 · 3 obs

○ 2017-04-19 17:40:32
● 2026-02-28 23:40:48
● 2026-08-16 08:29:36

○MXmx.concern.info2017-04-19 → 2017-04-19 · 3 obs

● 2017-04-19 17:40:32
○ 2026-02-28 23:40:48
○ 2026-08-16 08:29:36

●MXmx.park.big-dns.com2026-02-28 → 2026-08-16 · 3 obs

○ 2017-04-19 17:40:32
● 2026-02-28 23:40:48
● 2026-08-16 08:29:36

●A104.21.59.72026-02-28 → 2026-08-16 · 5 obs

○ 2017-04-19 17:40:32
● 2026-02-28 23:40:48
● 2026-05-04 17:58:20
○ 2026-08-13 18:31:20
● 2026-08-16 08:29:36

○A141.8.225.2372015-05-22 → 2015-10-13 · 4 obs

● 2015-05-22 10:29:02
● 2015-10-13 16:04:42
○ 2016-01-19 19:26:16
○ 2026-08-16 08:29:36

●A172.67.167.982026-02-28 → 2026-08-16 · 5 obs

○ 2017-04-19 17:40:32
● 2026-02-28 23:40:48
● 2026-05-04 17:58:20
○ 2026-08-13 18:31:20
● 2026-08-16 08:29:36

○A188.114.96.02026-08-13 → 2026-08-13 · 3 obs

○ 2026-05-04 17:58:20
● 2026-08-13 18:31:20
○ 2026-08-16 08:29:36

○A188.114.97.02026-08-13 → 2026-08-13 · 3 obs

○ 2026-05-04 17:58:20
● 2026-08-13 18:31:20
○ 2026-08-16 08:29:36

○A198.58.104.1232026-02-28 → 2026-08-16 · 2 obs

○ 2026-02-28 23:40:48
○ 2026-08-16 08:29:36

○A199.59.243.1202016-06-27 → 2016-06-27 · 4 obs

○ 2016-01-19 19:26:16
● 2016-06-27 04:37:34
○ 2017-04-19 17:40:32
○ 2026-08-16 08:29:36

●A2606:4700:3030::6815:3b072026-02-28 → 2026-08-16 · 5 obs

○ 2017-04-19 17:40:32
● 2026-02-28 23:40:48
● 2026-05-04 17:58:20
○ 2026-08-13 18:31:20
● 2026-08-16 08:29:36

○A2606:4700:3033::ac43:a7622026-02-28 → 2026-05-04 · 5 obs

○ 2017-04-19 17:40:32
● 2026-02-28 23:40:48
● 2026-05-04 17:58:20
○ 2026-08-13 18:31:20
○ 2026-08-16 08:29:36

●A2606:4700:3036::ac43:a7622026-08-16 → 2026-08-16 · 2 obs

○ 2026-08-13 18:31:20
● 2026-08-16 08:29:36

○A2a06:98c1:3120::2026-08-13 → 2026-08-13 · 3 obs

○ 2026-05-04 17:58:20
● 2026-08-13 18:31:20
○ 2026-08-16 08:29:36

○A2a06:98c1:3121::2026-08-13 → 2026-08-13 · 3 obs

○ 2026-05-04 17:58:20
● 2026-08-13 18:31:20
○ 2026-08-16 08:29:36

○A52.2.198.1682016-01-19 → 2016-01-19 · 4 obs

○ 2015-10-13 16:04:42
● 2016-01-19 19:26:16
○ 2016-06-27 04:37:34
○ 2026-08-16 08:29:36

○A52.58.78.162017-04-19 → 2017-04-19 · 4 obs

○ 2016-06-27 04:37:34
● 2017-04-19 17:40:32
○ 2026-02-28 23:40:48
○ 2026-08-16 08:29:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info	-
concern.info	delilah.ns.cloudflare.com, trevor.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.154

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concern.info (unsigned zone)

⏱️ Timing

Total: 526ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.167.98, 104.21.59.7`
AAAA	2	`2606:4700:3036::ac43:a762, 2606:4700:3030::6815:3b07`
NS	2	`delilah.ns.cloudflare.com, trevor.ns.cloudflare.com`
MX	1	`mx.park.big-dns.com (pri: 10)`
TXT	2	`a86c4ac9f9aaf4d0d23910a86de14ad6b2011ed6, v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`delilah.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

concern.info directs to four IP numbers, which are 104.21.59.7, 172.67.167.98, 2606:4700:3030::6815:3b07 and 2606:4700:3036::ac43:a762.

Among the host names that share IP numbers with concern.info are nonisok.net, www.opajehu.top, 0510-casino.buzz and two others.

Name Servers

Two name servers handle the delegation for concern.info: delilah.ns.cloudflare.com and trevor.ns.cloudflare.com.

concern.info has the same name server delegation as a number of other domains, such as wealthy.cc, tuner.biz, pahrump.me and two more.

The name servers of concern.info overlap at least partially with those of other domains — among them remamian.com, 12thmay.com, depgai.org and two more.

These name servers commonly appear alongside the name servers kay.ns.cloudflare.com and barbara.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

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.

trevor.ns.cloudflare.com resolves to 108.162.195.154, 162.159.44.154 and 172.64.35.154 among others, with 3 other IP addresses in total.

Mail Servers

concern.info routes its mail through a single mail server, mx.park.big-dns.com.

concern.info has the same mail server arrangement as a number of other domains, for example 4ise.com, mmy.us, 47uk.com and two more.

concern.info - robtex.com

concern.info

info

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`concern.info`

`info`