`sekortlanderphd.com`

DNSSEC	⚠️ Not signed
A	200.222.190.20^{🇧🇷 Vtal200.222.128.0/18}
NS	`a8.share-dns.com` ⭐ ⚠️ Not in parent delegation
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`a.share-dns.com` ⚠️ Not in zone NS records
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net` ⚠️ Not in zone NS records
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b8.share-dns.net` ⚠️ Not in parent delegation
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`a.share-dns.com`master@share-dns.com serial=1786434593

`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=1786629579

Previously MX for

sekortlanderphd.com

Same first word

sekortlanderphd.com

DNS History

20 records (5 active, 15 former)

●NSa.share-dns.com2026-08-13 → 2026-08-13 · 3 obs

○ 2026-07-09 14:19:56
● 2026-08-13 14:24:08
● 2026-08-13 14:24:12

●NSa8.share-dns.com2026-08-13 → 2026-08-13 · 3 obs

○ 2026-07-09 14:19:56
● 2026-08-13 14:24:08
● 2026-08-13 14:24:12

●NSb.share-dns.net2026-08-13 → 2026-08-13 · 3 obs

○ 2026-07-09 14:19:56
● 2026-08-13 14:24:08
● 2026-08-13 14:24:12

●NSb8.share-dns.net2026-08-13 → 2026-08-13 · 3 obs

○ 2026-07-09 14:19:56
● 2026-08-13 14:24:08
● 2026-08-13 14:24:12

○NSn1.xundns.com2026-07-09 → 2026-07-09 · 4 obs

○ 2019-04-05 13:51:34
● 2026-07-09 14:19:56
○ 2026-08-13 14:24:08
○ 2026-08-13 14:24:12

○NSn2.xundns.com2026-07-09 → 2026-07-09 · 4 obs

○ 2019-04-05 13:51:34
● 2026-07-09 14:19:56
○ 2026-08-13 14:24:08
○ 2026-08-13 14:24:12

○NSns1.securednsnetwork.com2015-05-07 → 2016-07-15 · 4 obs

● 2015-05-07 20:29:54
● 2016-07-15 05:25:20
○ 2017-02-20 10:48:44
○ 2026-08-13 14:24:12

○NSns1741.websitewelcome.com2017-02-20 → 2019-04-05 · 5 obs

○ 2016-07-15 05:25:20
● 2017-02-20 10:48:44
● 2019-04-05 13:51:34
○ 2026-07-09 14:19:56
○ 2026-08-13 14:24:12

○NSns1742.websitewelcome.com2017-02-20 → 2019-04-05 · 5 obs

○ 2016-07-15 05:25:20
● 2017-02-20 10:48:44
● 2019-04-05 13:51:34
○ 2026-07-09 14:19:56
○ 2026-08-13 14:24:12

○NSns2.securednsnetwork.com2015-05-07 → 2016-07-15 · 4 obs

● 2015-05-07 20:29:54
● 2016-07-15 05:25:20
○ 2017-02-20 10:48:44
○ 2026-08-13 14:24:12

○NSns3.securednsnetwork.com2015-05-07 → 2016-07-15 · 4 obs

● 2015-05-07 20:29:54
● 2016-07-15 05:25:20
○ 2017-02-20 10:48:44
○ 2026-08-13 14:24:12

○NSns4.securednsnetwork.com2015-05-07 → 2016-07-15 · 4 obs

● 2015-05-07 20:29:54
● 2016-07-15 05:25:20
○ 2017-02-20 10:48:44
○ 2026-08-13 14:24:12

○NSns5.securednsnetwork.com2015-05-07 → 2016-07-15 · 4 obs

● 2015-05-07 20:29:54
● 2016-07-15 05:25:20
○ 2017-02-20 10:48:44
○ 2026-08-13 14:24:12

○NSv1s1.xundns.com2026-07-09 → 2026-07-09 · 4 obs

○ 2019-04-05 13:51:34
● 2026-07-09 14:19:56
○ 2026-08-13 14:24:08
○ 2026-08-13 14:24:12

○NSv1s2.xundns.com2026-07-09 → 2026-07-09 · 4 obs

○ 2019-04-05 13:51:34
● 2026-07-09 14:19:56
○ 2026-08-13 14:24:08
○ 2026-08-13 14:24:12

○MXmail2.emailpros.com2015-05-07 → 2016-07-15 · 4 obs

● 2015-05-07 20:29:54
● 2016-07-15 05:25:20
○ 2017-02-20 10:48:44
○ 2026-08-13 14:24:12

○MXsekortlanderphd.com2017-02-20 → 2019-04-05 · 5 obs

○ 2016-07-15 05:25:20
● 2017-02-20 10:48:44
● 2019-04-05 13:51:34
○ 2026-07-09 14:19:56
○ 2026-08-13 14:24:12

●A200.222.190.202026-08-13 → 2026-08-13 · 3 obs

○ 2026-07-09 14:19:56
● 2026-08-13 14:24:08
● 2026-08-13 14:24:12

○A35.241.73.902026-07-09 → 2026-07-09 · 4 obs

○ 2019-04-05 13:51:34
● 2026-07-09 14:19:56
○ 2026-08-13 14:24:08
○ 2026-08-13 14:24:12

○A50.116.124.1122015-05-07 → 2019-04-05 · 4 obs

● 2015-05-07 20:29:54
● 2019-04-05 13:51:34
○ 2026-07-09 14:19:56
○ 2026-08-13 14:24:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sekortlanderphd.com	b8.share-dns.net, a8.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b8.share-dns.net, a8.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sekortlanderphd.com (unsigned zone)

⏱️ Timing

Total: 331ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`200.222.190.20`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a8.share-dns.com)

Analysis

IP Addresses

sekortlanderphd.com resolves to just one IP address, 200.222.190.20.

Name Servers

The NS records for sekortlanderphd.com point to four name servers: a8.share-dns.com, a.share-dns.com, b8.share-dns.net and b.share-dns.net.

At least some of sekortlanderphd.com's name servers are shared with other domains, for example tjxjc.com.cn, d789u.com, clqcmt.com and two more.

These name servers tend to co-occur with a7.share-dns.com, b7.share-dns.net, a9.share-dns.com and 7 other name servers in the same DNS delegations.

a8.share-dns.com resolves to 172.64.53.25, as does a.share-dns.com. b8.share-dns.net resolves to 172.64.52.239, as does b.share-dns.net.

a8.share-dns.com along with a.share-dns.com each resolve to 172.64.53.25 IP addresses.

b8.share-dns.net along with b.share-dns.net each resolve to 172.64.52.239 IP addresses.

sekortlanderphd.com - robtex.com