`4utours.com`

DNSSEC	⚠️ Not signed
A	216.92.3.120^{🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
		PTR	`fwdlb.pairnic.net`
NS	`ns3.pairnic.com` ⭐
		A	2607:f440::d85c:35d^{🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
			PTR	`ns3.pairnic.com`
		A	216.92.3.93^{🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
			PTR	`ns3.pairnic.com`
NS	`ns4.pairnic.com`
		A	2607:f441::d892:c0f5^{🇺🇸 AS78592607:f441::/32 Pair Networks, Inc. 2403 Sidney St STE 210 Pittsburgh PA 15203 United States}
			PTR	`ns4.pairnic.com`
		A	216.146.192.245^{🇺🇸 AS7859216.146.192.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
			PTR	`ns4.pairnic.com`
MX	`tutors.mail.pairserver.com` ⭐
		A	216.92.34.22^{🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
			PTR	`vps4069.pairvps.com`
TXT	`v=spf1 include:webmail.pair.com include:relay.pair.com include:pairlist.com a...`
SOA	`ns3.pairnic.com`root@pair.com 2025-12-10 #94

`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=1774374827

PTR for

172.144.92.216.in-addr.arpa

Same first word

4utours.vn

4utours.com

Similar names

tours4u.vn

tours4u.nl

tours4u.co.il

DNS History

6 records (4 active, 2 former)

●NSns3.pairnic.com2015-05-11 → 2026-03-24 · 2 obs

● 2015-05-11 16:03:42
● 2026-03-24 18:23:16

●NSns4.pairnic.com2015-05-11 → 2026-03-24 · 2 obs

● 2015-05-11 16:03:42
● 2026-03-24 18:23:16

○MXmail1.g1.pair.com2015-05-11 → 2017-07-21 · 4 obs

● 2015-05-11 16:03:42
● 2017-07-21 10:09:32
○ 2026-02-16 06:40:02
○ 2026-03-24 18:23:16

●MXtutors.mail.pairserver.com2026-02-16 → 2026-03-24 · 3 obs

○ 2017-07-21 10:09:32
● 2026-02-16 06:40:02
● 2026-03-24 18:23:16

●A216.92.3.1202026-02-16 → 2026-03-24 · 3 obs

○ 2017-07-21 10:09:32
● 2026-02-16 06:40:02
● 2026-03-24 18:23:16

○A64.150.187.272015-05-11 → 2017-07-21 · 4 obs

● 2015-05-11 16:03:42
● 2017-07-21 10:09:32
○ 2026-02-16 06:40:02
○ 2026-03-24 18:23:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
4utours.com	ns3.pairnic.com, ns4.pairnic.com	4 records

✅ Authoritative Response

Server:216.146.192.245

NS records: ns3.pairnic.com, ns4.pairnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4utours.com (unsigned zone)

⏱️ Timing

Total: 3152ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.92.3.120`
NS	2	`NS3.PAIRNIC.com, NS4.PAIRNIC.com`
MX	1	`tutors.mail.pairserver.com (pri: 1)`
TXT	1	`v=spf1 include:webmail.pair.com include:`
SOA	1	`ns3.pairnic.com root.pair.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.pairnic.com, ns3.pairnic.com, ns4.pairnic.com...)

Analysis

IP Addresses

4utours.com maps to IP address 216.92.3.120.

Other host names, for instance clearlyandsimply.com, www.spiderwick.com, wilddave.com, malibumag.com and mail.prolifehandbook.com share IP numbers with 4utours.com.

Name Servers

Two name servers ns3.pairnic.com and ns4.pairnic.com are delegated to 4utours.com.

4utours.com uses the same name server configuration as other domains, such as gulfshoresmardigras.com, esoeric.com, confumer.com, epixhdtwo.org and nwaba.com.

4utours.com shares some name servers with other domains, for example iopocket.com.

Host names with two IPs:

ns3.pairnic.com points to 2607:f440::d85c:35d and 216.92.3.93.

ns4.pairnic.com points to 2607:f441::d892:c0f5 and 216.146.192.245.

Mail Servers

4utours.com is handled by a single mail server, tutors.mail.pairserver.com.

4utours.com shares the same mail server setup as other domains, including 4uwellness.com.vn, 4ugroup.vn, 4uyoga.com.vn, 2uspeak.com.vn and 2usmart.com.vn.

tutors.mail.pairserver.com points to one IP number: 216.92.34.22.

4utours.com - robtex.com

4utours.com

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