`studyukguide.com`

DNSSEC	⚠️ Not signed
A	37.59.194.135^{🇫🇷 OVH37.59.0.0/16 ISP Paris, France}
		PTR	`ip135.ip-37-59-194.eu`
NS	`dns1.sered.net` ⭐
		A	185.37.231.10^{🇪🇸 ASN-XTUDIONET185.37.231.0/24}
			PTR	`dns1.sered.net`
NS	`dns2.sered.net`
		A	46.175.128.146^{🇪🇸 ASN-XTUDIONET46.175.128.0/24}
			PTR	`dns2.sered.net`
NS	`dns3.sered.net` ⚠️ Not in zone NS records
		A	193.84.177.223^{🇪🇸 ASN-XTUDIONET193.84.177.0/24}
			PTR	`dns3.sered.net`
NS	`dns4.sered.net` ⚠️ Not in zone NS records
		A	193.84.177.125^{🇪🇸 ASN-XTUDIONET193.84.177.0/24}
			PTR	`dns4.sered.net`
MX	`mail.studyukguide.com` ⭐
		A	37.59.194.135^{🇫🇷 OVH37.59.0.0/16 ISP Paris, France}
			PTR	`ip135.ip-37-59-194.eu`
TXT	`v=spf1 ip4:141.94.75.49 include:_spf.gestiondeservidor.net +a +mx +ip4:45.131...`
SOA	`dns1.sered.net`naitcharif83@gmail.com 2026-01-19 #1

`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=1771291435

Subdomains

mail.studyukguide.com

Same first word

studyukguide.com

DNS History

21 records (6 active, 15 former)

○NSdns1.name-services.com2015-06-19 → 2016-04-25 · 4 obs

● 2015-06-19 23:39:54
● 2016-04-25 19:43:12
○ 2017-02-09 07:41:40
○ 2026-03-10 07:42:00

●NSdns1.sered.net2018-10-21 → 2026-03-10 · 3 obs

○ 2017-02-09 07:41:40
● 2018-10-21 09:47:54
● 2026-03-10 07:42:00

○NSdns2.name-services.com2015-06-19 → 2016-04-25 · 4 obs

● 2015-06-19 23:39:54
● 2016-04-25 19:43:12
○ 2017-02-09 07:41:40
○ 2026-03-10 07:42:00

●NSdns2.sered.net2018-10-21 → 2026-03-10 · 3 obs

○ 2017-02-09 07:41:40
● 2018-10-21 09:47:54
● 2026-03-10 07:42:00

○NSdns3.name-services.com2015-06-19 → 2016-04-25 · 4 obs

● 2015-06-19 23:39:54
● 2016-04-25 19:43:12
○ 2017-02-09 07:41:40
○ 2026-03-10 07:42:00

●NSdns3.sered.net2026-03-10 → 2026-03-10 · 3 obs

○ 2018-10-21 09:47:54
● 2026-03-10 07:41:56
● 2026-03-10 07:42:00

○NSdns4.name-services.com2015-06-19 → 2016-04-25 · 4 obs

● 2015-06-19 23:39:54
● 2016-04-25 19:43:12
○ 2017-02-09 07:41:40
○ 2026-03-10 07:42:00

●NSdns4.sered.net2026-03-10 → 2026-03-10 · 3 obs

○ 2018-10-21 09:47:54
● 2026-03-10 07:41:56
● 2026-03-10 07:42:00

○NSdns5.name-services.com2015-06-19 → 2016-04-25 · 4 obs

● 2015-06-19 23:39:54
● 2016-04-25 19:43:12
○ 2017-02-09 07:41:40
○ 2026-03-10 07:42:00

○NSns1.dsredirection.com2017-02-09 → 2017-02-09 · 4 obs

○ 2016-04-25 19:43:12
● 2017-02-09 07:41:40
○ 2018-10-21 09:47:54
○ 2026-03-10 07:42:00

○NSns2.dsredirection.com2017-02-09 → 2017-02-09 · 4 obs

○ 2016-04-25 19:43:12
● 2017-02-09 07:41:40
○ 2018-10-21 09:47:54
○ 2026-03-10 07:42:00

●MXmail.studyukguide.com2026-03-10 → 2026-03-10 · 3 obs

○ 2018-10-21 09:47:54
● 2026-03-10 07:41:56
● 2026-03-10 07:42:00

○MXstudyukguide.com2018-10-21 → 2018-10-21 · 3 obs

● 2018-10-21 09:47:54
○ 2026-03-10 07:41:56
○ 2026-03-10 07:42:00

○A173.198.194.1072015-06-19 → 2016-04-25 · 4 obs

● 2015-06-19 23:39:54
● 2016-04-25 19:43:12
○ 2017-02-09 07:41:40
○ 2026-03-10 07:42:00

○A185.37.228.1132018-10-21 → 2018-10-21 · 4 obs

○ 2017-02-09 07:41:40
● 2018-10-21 09:47:54
○ 2026-03-10 07:41:56
○ 2026-03-10 07:42:00

○A208.73.210.2002017-02-09 → 2017-02-09 · 4 obs

○ 2016-04-25 19:43:12
● 2017-02-09 07:41:40
○ 2018-10-21 09:47:54
○ 2026-03-10 07:42:00

○A208.73.210.2142017-02-09 → 2017-02-09 · 4 obs

○ 2016-04-25 19:43:12
● 2017-02-09 07:41:40
○ 2018-10-21 09:47:54
○ 2026-03-10 07:42:00

○A208.73.210.2172017-02-09 → 2017-02-09 · 4 obs

○ 2016-04-25 19:43:12
● 2017-02-09 07:41:40
○ 2018-10-21 09:47:54
○ 2026-03-10 07:42:00

○A208.73.211.1782017-02-09 → 2017-02-09 · 4 obs

○ 2016-04-25 19:43:12
● 2017-02-09 07:41:40
○ 2018-10-21 09:47:54
○ 2026-03-10 07:42:00

●A37.59.194.1352026-03-10 → 2026-03-10 · 3 obs

○ 2018-10-21 09:47:54
● 2026-03-10 07:41:56
● 2026-03-10 07:42:00

○PTRns1.dsredirection.com2017-02-09 → 2017-02-09 · 3 obs

● 2017-02-09 07:41:40
○ 2018-10-21 09:47:54
○ 2026-03-10 07:42:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
studyukguide.com	dns3.sered.net, dns4.sered.net, dns1.sered.net, dns2.sered.net	-

✅ Authoritative Response

Server: 193.84.177.223

NS records: dns3.sered.net, dns4.sered.net, dns1.sered.net, dns2.sered.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyukguide.com (unsigned zone)

⏱️ Timing

Total: 791ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.59.194.135`
NS	2	`dns1.sered.net, dns2.sered.net`
MX	1	`mail.studyukguide.com (pri: 0)`
TXT	1	`v=spf1 ip4:141.94.75.49 include:_spf.ges`
SOA	1	`dns1.sered.net naitcharif83.gmail.com`

Analysis

Hierarchy

The parent of mail.studyukguide.com is studyukguide.com.

IP Addresses

studyukguide.com points to a single IP: 37.59.194.135.

Other host names, for instance mail.mundoafro.org, ip135.ip-37-59-194.eu, mundoafro.org, mail.studyukguide.com and polaktywny.dynamicdns.org.uk share IP numbers with studyukguide.com.

Name Servers

studyukguide.com's delegation is handled by four name servers: dns1.sered.net, dns2.sered.net, dns3.sered.net and dns4.sered.net.

studyukguide.com partially shares name servers with other domains; examples include bigshot-agentur.com, miriambalsera.com, bellanails.es, leonalo.com and rinconromantico.com.

These name servers are commonly used with dns.sered.net, da1.gestiondeservidor.com and da2.gestiondeservidor.com.

Host names with one IP:

dns1.sered.net points to 185.37.231.10

dns2.sered.net points to 46.175.128.146

dns3.sered.net points to 193.84.177.223

dns4.sered.net points to 193.84.177.125

Mail Servers

studyukguide.com is handled by a single mail server, mail.studyukguide.com.

mail.studyukguide.com points to a single IP: 37.59.194.135.

studyukguide.com - robtex.com