🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`firstdeveloper.ru`

DNSSEC	⚠️ Not signed
A	81.177.143.54^{🇷🇺 RTCOMM-AS81.177.128.0/19 RTCOMM-RU}
NS	`ns1.1gb.ru` ⭐
		A	81.176.228.20^{🇷🇺 RTCOMM-AS81.176.0.0/16 RTCOMM-RU}
NS	`ns2.1gb.ru`
		A	81.177.32.105^{🇷🇺 RTCOMM-AS81.177.32.0/20 RTCOMM-RU}
NS	`ns3.1gb-ru.com` ⚠️ Not in zone NS records
		A	5.231.205.17^{🇩🇪 ASGHOSTNET5.231.205.0/24 GHOSTnet GmbH IP Space}
MX	`mail-s30.1gb.ru` ⭐
		A	81.176.226.50^{🇷🇺 RTCOMM-AS81.176.0.0/16 RTCOMM-RU}
			PTR	`s30.in-solve.ru`
		A	81.176.226.51^{🇷🇺 RTCOMM-AS81.176.0.0/16 RTCOMM-RU}
			PTR	`s30.in-solve.ru`
		A	81.176.226.52^{🇷🇺 RTCOMM-AS81.176.0.0/16 RTCOMM-RU}
			PTR	`s30.in-solve.ru`
		A	81.176.226.53^{🇷🇺 RTCOMM-AS81.176.0.0/16 RTCOMM-RU}
			PTR	`s30.in-solve.ru`
		A	81.176.226.54^{🇷🇺 RTCOMM-AS81.176.0.0/16 RTCOMM-RU}
			PTR	`s30.in-solve.ru`
		A	81.176.226.55^{🇷🇺 RTCOMM-AS81.176.0.0/16 RTCOMM-RU}
			PTR	`s30.in-solve.ru`
		A	81.176.226.56^{🇷🇺 RTCOMM-AS81.176.0.0/16 RTCOMM-RU}
			PTR	`s30.in-solve.ru`
		A	81.176.226.57^{🇷🇺 RTCOMM-AS81.176.0.0/16 RTCOMM-RU}
			PTR	`s30.in-solve.ru`
TXT	`v=spf1 ip4:81.176.69.0/24 ip4:81.176.224.0/21 ip4:81.177.0.0/19 ip4:81.177.12...`
SOA	`ns1.1gb.ru`noc@1gb.ru serial=18

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`c.tld-servers.ru`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4070661

Same first word

firstdeveloper.ru

Similar names

developerfirst.com

developerfirst.io

fleetproviders.com

redevelopfirst.com

developerfirst.org

Previous names

Next names

DNS History

5 records (5 active, 0 former)

●NSns1.1gb.ru2026-08-19 → 2026-10-09 · 2 obs

● 2026-08-19 11:28:10
● 2026-10-09 16:19:10

●NSns2.1gb.ru2026-08-19 → 2026-10-09 · 2 obs

● 2026-08-19 11:28:10
● 2026-10-09 16:19:10

●NSns3.1gb-ru.com2026-08-19 → 2026-10-09 · 2 obs

● 2026-08-19 11:28:10
● 2026-10-09 16:19:10

●MXmail-s30.1gb.ru2026-08-24 → 2026-10-09 · 6 obs

● 2026-08-24 04:52:34
○ 2026-09-20 08:47:24
● 2026-09-20 14:13:02
○ 2026-09-30 08:21:10
● 2026-10-04 18:24:42
● 2026-10-09 16:19:10

●A81.177.143.542026-08-24 → 2026-10-09 · 6 obs

● 2026-08-24 04:52:34
○ 2026-09-20 08:47:24
● 2026-09-20 14:13:02
○ 2026-09-30 08:21:10
● 2026-10-04 18:24:42
● 2026-10-09 16:19:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net...	12 records
firstdeveloper.ru	ns2.1gb.ru, ns1.1gb.ru, ns3.1gb-ru.com	2 records

✅ Authoritative Response

Server:81.177.32.105

NS records: ns2.1gb.ru, ns1.1gb.ru, ns3.1gb-ru.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstdeveloper.ru (unsigned zone)

⏱️ Timing

Total: 2776ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.177.143.54`
NS	2	`ns2.1gb.ru, ns1.1gb.ru`
MX	2	`mail-s30.1gb.ru (pri: 10), mail-s30.1gb.ru (pri: 8)`
TXT	1	`v=spf1 ip4:81.176.69.0/24 ip4:81.176.224`
SOA	1	`ns1.1gb.ru noc.1gb.ru`

📌 Glue Records Collected

Total: 14

In-bailiwick: 2 (c.tld-servers.ru, c.tld-servers.ru)

Out-of-bailiwick: 12 (a.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...)

Analysis

IP Addresses

firstdeveloper.ru resolves to one IP address: 81.177.143.54.

ininel.ru, lowmart.ru, eco-merch.ru and two other host names share IP numbers with firstdeveloper.ru.

Name Servers

The authoritative name servers for firstdeveloper.ru are ns3.1gb-ru.com, ns1.1gb.ru and ns2.1gb.ru — three in total.

At least some of firstdeveloper.ru's name servers are shared with other domains, for example dongidiz.ru, tsj-roscha.ru, dubki.org and two more.

The hostnames ns3.1gb-ru.com, ns1.1gb.ru and ns2.1gb.ru each resolve to a single IP: ns3.1gb-ru.com → 5.231.205.17, ns1.1gb.ru → 81.176.228.20, ns2.1gb.ru → 81.177.32.105.

Mail Servers

Mail for firstdeveloper.ru is handled by a single mail server, mail-s30.1gb.ru.

firstdeveloper.ru uses an identical mail server configuration to several other domains — among them sergeysafonov.ru, brt-rti.ru, xn----ctbgbdqr4a2av.xn--p1ai and two more.

At least some of firstdeveloper.ru's mail servers are shared with other domains, among them park56.ru, istra-ltc.ru and crimea.kemkad.ru.

mail-s30.1gb.ru resolves to 8 IP addresses — 81.176.226.50, 81.176.226.51, 81.176.226.52 and 5 others.

firstdeveloper.ru - robtex.com