`selfrejuvenating.com`

DNSSEC	⚠️ Not signed
A	2001:1568::14^{🇨🇿 WEB4U2001:1568::/33}
		PTR	`php7.web4u.cz`
A	81.91.86.14^{🇨🇿 WEB4U81.91.80.0/21}
NS	`ns2.web4u.cz` ⭐
		A	2a02:a40:100:28ff::12^{🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.}
			PTR	`ns2.web4u.cz`
		A	85.207.53.12^{🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block}
			PTR	`ns2.web4u.cz`
NS	`ns.web4u.cz`
		A	2001:1568:fd::241^{🇨🇿 WEB4U2001:1568::/33}
			PTR	`ns.web4u.cz`
		A	185.14.224.241^{🇨🇿 WEB4U185.14.224.0/23}
			PTR	`ns.web4u.cz`
MX	`mx1.mailchannels.net` ⭐
		A	54.69.1.140^{🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix}
			PTR	`ec2-54-69-1-140.us-west-2.compute.amazonaws.com`
MX	`mx2.mailchannels.net` ⭐
		A	54.187.177.89^{🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix}
			PTR	`ec2-54-187-177-89.us-west-2.compute.amazonaws.com`
SOA	`ns.web4u.cz`admin@web4u.cz 2025-05-06 #0

`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=1782308360

Same first word

selfrejuvenating.com

DNS History

9 records (6 active, 3 former)

●NSns.web4u.cz2026-02-26 → 2026-06-24 · 3 obs

○ 2015-10-24 13:33:48
● 2026-02-26 21:10:22
● 2026-06-24 13:45:12

●NSns2.web4u.cz2026-02-26 → 2026-06-24 · 3 obs

○ 2015-10-24 13:33:48
● 2026-02-26 21:10:22
● 2026-06-24 13:45:12

○NSns21.bulkregister.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 01:06:20
○ 2015-10-24 13:33:48
○ 2026-06-24 13:45:12

○NSns22.bulkregister.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 01:06:20
○ 2015-10-24 13:33:48
○ 2026-06-24 13:45:12

●MXmx1.mailchannels.net2026-02-26 → 2026-06-24 · 2 obs

● 2026-02-26 21:10:22
● 2026-06-24 13:45:12

●MXmx2.mailchannels.net2026-02-26 → 2026-06-24 · 2 obs

● 2026-02-26 21:10:22
● 2026-06-24 13:45:12

●A2001:1568::142026-02-26 → 2026-06-24 · 3 obs

○ 2015-10-24 13:33:48
● 2026-02-26 21:10:22
● 2026-06-24 13:45:12

○A64.14.244.532008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 01:06:20
○ 2015-10-24 13:33:48
○ 2026-06-24 13:45:12

●A81.91.86.142026-02-26 → 2026-06-24 · 3 obs

○ 2015-10-24 13:33:48
● 2026-02-26 21:10:22
● 2026-06-24 13:45:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
selfrejuvenating.com	ns.web4u.cz, ns2.web4u.cz	-

✅ Authoritative Response

Server:85.207.53.12

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for selfrejuvenating.com (unsigned zone)

⏱️ Timing

Total: 744ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.91.86.14`
AAAA	1	`2001:1568::14`
NS	2	`ns.web4u.cz, ns2.web4u.cz`
MX	2	`mx1.mailchannels.net (pri: 10), mx2.mailchannels.net (pri: 10)`
SOA	1	`ns.web4u.cz admin.web4u.cz`

Analysis

IP Addresses

selfrejuvenating.com resolves to the IP addresses 81.91.86.14 and 2001:1568::14

torrsen.cz, kvildy.com, d245.server4u.cz and two other host names share IP numbers with selfrejuvenating.com.

Name Servers

selfrejuvenating.com has two authoritative name servers — ns2.web4u.cz and ns.web4u.cz.

selfrejuvenating.com uses the same name servers as several other domains — among them actual.cz, choco-cafe.cz, jadranovo.cz and two more.

Both ns2.web4u.cz and ns.web4u.cz have two IP addresses each. ns2.web4u.cz resolves to 85.207.53.12 and 2a02:a40:100:28ff::12; ns.web4u.cz resolves to 185.14.224.241 and 2001:1568:fd::241.

Mail Servers

Mail for selfrejuvenating.com is handled by two mail servers — mx1.mailchannels.net and mx2.mailchannels.net.

selfrejuvenating.com uses an identical mail server configuration to several other domains — among them taburch.com, algoritmo-consulting.com, kevinlaba.com and two more.

The mail servers of selfrejuvenating.com overlap at least partially with those of other domains, including albedayah.com, seguridadjyk.com and svenskahudvardskliniken.se.

mx1.mailchannels.net resolves to 54.69.1.140. mx2.mailchannels.net resolves to 54.187.177.89. Both host names point to a single IP number.

selfrejuvenating.com - robtex.com