`4app.pro`

DNSSEC	⚠️ Not signed
A	37.9.13.89^{🇷🇺 SELECTEL37.9.13.0/24 Selectel Route Object}
		PTR	`mail.likevr.org`
NS	`ns1.timeweb.ru` ⭐
		A	2a03:6f04:dead:bee::1^{🇷🇺 TimeWeb-AS2a03:6f00::/29}
		A	85.193.93.93^{🇵🇱 TimeWeb-AS85.193.93.0/24}
			PTR	`ns1.timeweb.ru`
NS	`ns2.timeweb.ru`
		A	2a03:6f04:dead:bee::2^{🇷🇺 TimeWeb-AS2a03:6f00::/29}
		A	85.193.93.85^{🇵🇱 TimeWeb-AS85.193.93.0/24}
			PTR	`ns2.timeweb.ru`
NS	`ns3.timeweb.org`
		A	2a03:6f07:4::2^{🇷🇺 TimeWeb-AS2a03:6f00::/29}
		A	217.78.234.130^{🇷🇺 TimeWeb-AS217.78.234.0/24}
NS	`ns4.timeweb.org`
		A	2a00:65e0:6:5:232a::2^{🇷🇺 RETNRU-SPB-AS2a00:65e0::/32 CJSC "RetnNet"}
		A	139.45.249.139^{🇷🇺 RETNRU-SPB-AS139.45.248.0/21 RETN-SPB}
			PTR	`gw-139.45.249.139-rt1.km.spb.retn.ru`
MX	`mx1.timeweb.ru` ⭐
		A	2a03:6f00:3::5c35:742f^{🇷🇺 TimeWeb-AS2a03:6f00:3::/48 TIMEWEB-v6-48-3}
			PTR	`mx1.timeweb.ru`
		A	92.53.116.47^{🇷🇺 TimeWeb-AS92.53.116.0/24}
			PTR	`mx1.timeweb.ru`
MX	`mx2.timeweb.ru` ⭐
		A	2a03:6f00:3::5c35:7433^{🇷🇺 TimeWeb-AS2a03:6f00:3::/48 TIMEWEB-v6-48-3}
			PTR	`mx2.timeweb.ru`
		A	92.53.116.51^{🇷🇺 TimeWeb-AS92.53.116.0/24}
			PTR	`mx2.timeweb.ru`
TXT	`v=spf1 ip4:31.31.196.193 a mx include:_spf.hosting.reg.ru ~all`
SOA	`ns1.timeweb.ru`dns@timeweb.ru serial=559

`pro`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.pro.afilias-nst.info` ⭐
	NS	`a2.pro.afilias-nst.info`
	NS	`b0.pro.afilias-nst.org`
	NS	`b2.pro.afilias-nst.org`
	NS	`c0.pro.afilias-nst.info`
	NS	`d0.pro.afilias-nst.org`
	SOA	`a0.pro.afilias-nst.info`hostmaster@donuts.email serial=1774522080

Same first word

4app.com

4app.it

4app.net

4app.cz

4app.cn

4app.tv

4app.ir

4app.ru

4app.pro

Similar names

app4.de

app4.ru

app4.fr

app4.dk

app4.org

app4.nl

app4.co.uk

4pap.sk

a4pp.net

4pap.com

a4pp.com

4ppa.org

4pap.cz

app4.me

app4.be

app4.cn

app4.com

app4.biz

app4.us

app4.ws

p4ap.com

p4pa.org

app4.eu

app4.info

app4.business

app4.mobi

4pap.eu

pp4a.cn

DNS History

7 records (7 active, 0 former)

●NSns1.timeweb.ru2026-02-18 → 2026-03-26 · 2 obs

● 2026-02-18 13:58:30
● 2026-03-26 11:03:38

●NSns2.timeweb.ru2026-02-18 → 2026-03-26 · 2 obs

● 2026-02-18 13:58:30
● 2026-03-26 11:03:38

●NSns3.timeweb.org2026-02-18 → 2026-03-26 · 2 obs

● 2026-02-18 13:58:30
● 2026-03-26 11:03:38

●NSns4.timeweb.org2026-02-18 → 2026-03-26 · 2 obs

● 2026-02-18 13:58:30
● 2026-03-26 11:03:38

●MXmx1.timeweb.ru2026-02-18 → 2026-03-26 · 2 obs

● 2026-02-18 13:58:30
● 2026-03-26 11:03:38

●MXmx2.timeweb.ru2026-02-18 → 2026-03-26 · 2 obs

● 2026-02-18 13:58:30
● 2026-03-26 11:03:38

●A37.9.13.892026-02-18 → 2026-03-26 · 2 obs

● 2026-02-18 13:58:30
● 2026-03-26 11:03:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pro	a0.pro.afilias-nst.info, a2.pro.afilias-nst.info, b0.pro.afilias-nst.org, b2.pro.afilias-nst.org...	-
4app.pro	ns1.timeweb.ru, ns4.timeweb.org, ns2.timeweb.ru, ns3.timeweb.org	-

✅ Authoritative Response

Server:139.45.249.139

NS records: ns1.timeweb.ru, ns4.timeweb.org, ns2.timeweb.ru, ns3.timeweb.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4app.pro (unsigned zone)

⏱️ Timing

Total: 1294ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.13.89`
NS	4	`ns4.timeweb.org, ns3.timeweb.org...`
MX	2	`mx2.timeweb.ru (pri: 10), mx1.timeweb.ru (pri: 10)`
TXT	1	`v=spf1 ip4:31.31.196.193 a mx include:_s`
SOA	1	`ns1.timeweb.ru dns.timeweb.ru`