`drthulab.com`

DNSSEC	⚠️ Not signed
A	210.245.8.141^{🇻🇳 FPT-AS-AP210.245.8.0/21 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
NS	`ns1.dkt.com.vn` ⭐
		A	112.213.89.3^{🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`ns1.dotvndns.vn`
NS	`ns2.dkt.com.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
MX	`mail.drthulab.com` ⭐
		A	210.245.8.141^{🇻🇳 FPT-AS-AP210.245.8.0/21 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
TXT	`v=spf1 a mx ~all`
SOA	`ns1.dkt.com.vn`hostmaster@drthulab.com 2024-12-25 #2

`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.drthulab.com

Same first word

drthulab.com

Similar names

ruthblad.se

ruthblad.com

brutalhd.com

bluthard.eu

DNS History

6 records (4 active, 2 former)

●NSns1.dkt.com.vn2017-12-28 → 2026-03-23 · 3 obs

○ 2017-01-05 00:09:30
● 2017-12-28 10:37:30
● 2026-03-23 10:05:48

○NSns1.dotvndns.vn2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 00:09:30
○ 2017-12-28 10:37:30
○ 2026-03-23 10:05:48

●NSns2.dkt.com.vn2017-12-28 → 2026-03-23 · 3 obs

○ 2017-01-05 00:09:30
● 2017-12-28 10:37:30
● 2026-03-23 10:05:48

○NSns2.dotvndns.vn2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 00:09:30
○ 2017-12-28 10:37:30
○ 2026-03-23 10:05:48

●MXmail.drthulab.com2017-01-05 → 2026-03-23 · 2 obs

● 2017-01-05 00:09:30
● 2026-03-23 10:05:48

●A210.245.8.1412017-01-05 → 2026-03-23 · 2 obs

● 2017-01-05 00:09:30
● 2026-03-23 10:05:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net...	-
drthulab.com	ns1.dkt.com.vn, ns2.dkt.com.vn	-

✅ Authoritative Response

Server:222.255.121.247

NS records: ns1.dkt.com.vn, ns2.dkt.com.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for drthulab.com (unsigned zone)

⏱️ Timing

Total: 2311ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.245.8.141`
NS	2	`ns2.dkt.com.vn, ns1.dkt.com.vn`
MX	1	`mail.drthulab.com (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`ns1.dkt.com.vn hostmaster.drthulab.com`

Analysis

Hierarchy

The parent of mail.drthulab.com is drthulab.com.

IP Addresses

drthulab.com points to IP number: 210.245.8.141.

Other host names such as mail.giasucdaiviet.com, mail.vachngankgv.com, mail.tanminh.vn, sussi.vn and mail.myphambenew.vn share IPs with drthulab.com.

Name Servers

drthulab.com is delegated to two name servers: ns1.dkt.com.vn and ns2.dkt.com.vn.

drthulab.com shares the same name server setup as hibou.vn, vinaservice.com.vn, g2vietnam.com.vn, pandaco.vn and batdongsanhud.com.vn.

drthulab.com at least partially shares name servers with other domains, for instance giakedehangpro.com, nhakhoahathanh.com, gslighting.vn, iremax.vn and saiback.com.

these name servers are commonly used together with the name servers ns3.dkt.com.vn, ns1.sapo.vn, ns2.sapo.vn, ns1.dotvndns.vn and ns4.dkt.com.vn.

Host names with a single IP:

ns1.dkt.com.vn points to 112.213.89.3.

ns2.dkt.com.vn points to 222.255.121.247.

Mail Servers

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

mail.drthulab.com points to a single IP: 210.245.8.141.

drthulab.com - robtex.com

drthulab.com

com