`drdobbs.in`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:4118^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:8bdc^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.65.24^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.139.220^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ns1.ubmdns.com` ⭐
		A	2400:cb00:2049:1::a29f:d0^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns1.ubmdns.com`
		A	162.159.0.208^{Cloudflare162.159.0.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.ubmdns.com`
		A	2400:cb00:2049:1::a29f:1d0^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns2.ubmdns.com`
		A	162.159.1.208^{Cloudflare162.159.1.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.ubmdns.com`
TXT	`v=spf1 mx include:spf.ubm-us.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.65.24, 172.67.139.220
		IPv6 hints	2606:4700:3033::6815:4118, 2606:4700:3035::ac43:8bdc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com
SOA	`ns1.ubmdns.com`dns@cloudflare.com serial=2405861351

`in`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns.trs-dns.com` ⭐
	NS	`ns1.registry.in`
	NS	`ns2.registry.in`
	NS	`ns3.registry.in`
	NS	`ns4.registry.in`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1784306753

Same first word

drdobbs.(0x787878)

drdobbs.net

drdobbs.cn

drdobbs.com

drdobbs.com.cn

drdobbs.in

drdobbs.org

drdobbs.us

DNS History

18 records (6 active, 12 former)

○NSns1.ubm-us.net2015-06-19 → 2017-02-08 · 4 obs

● 2015-06-19 00:50:50
● 2017-02-08 02:32:42
○ 2019-01-26 18:33:00
○ 2026-07-17 17:16:42

●NSns1.ubmdns.com2019-01-26 → 2026-07-17 · 3 obs

○ 2017-02-08 02:32:42
● 2019-01-26 18:33:00
● 2026-07-17 17:16:42

○NSns2.ubm-us.net2015-06-19 → 2017-02-08 · 4 obs

● 2015-06-19 00:50:50
● 2017-02-08 02:32:42
○ 2019-01-26 18:33:00
○ 2026-07-17 17:16:42

●NSns2.ubmdns.com2019-01-26 → 2026-07-17 · 3 obs

○ 2017-02-08 02:32:42
● 2019-01-26 18:33:00
● 2026-07-17 17:16:42

○NSns3.ubm-us.net2015-06-19 → 2017-02-08 · 4 obs

● 2015-06-19 00:50:50
● 2017-02-08 02:32:42
○ 2019-01-26 18:33:00
○ 2026-07-17 17:16:42

○MXmailhost.ubm-us.net2015-06-19 → 2019-01-26 · 4 obs

● 2015-06-19 00:50:50
● 2019-01-26 18:33:00
○ 2026-07-13 11:12:56
○ 2026-07-17 17:16:42

●A104.21.65.242026-07-13 → 2026-07-17 · 3 obs

○ 2019-01-26 18:33:00
● 2026-07-13 11:12:56
● 2026-07-17 17:16:42

○A104.24.118.462019-01-26 → 2019-01-26 · 4 obs

○ 2017-02-08 02:32:42
● 2019-01-26 18:33:00
○ 2026-07-13 11:12:56
○ 2026-07-17 17:16:42

○A104.24.119.462019-01-26 → 2019-01-26 · 4 obs

○ 2017-02-08 02:32:42
● 2019-01-26 18:33:00
○ 2026-07-13 11:12:56
○ 2026-07-17 17:16:42

●A172.67.139.2202026-07-13 → 2026-07-17 · 3 obs

○ 2019-01-26 18:33:00
● 2026-07-13 11:12:56
● 2026-07-17 17:16:42

○A192.155.42.932017-02-08 → 2017-02-08 · 4 obs

○ 2016-04-01 06:07:26
● 2017-02-08 02:32:42
○ 2019-01-26 18:33:00
○ 2026-07-17 17:16:42

○A192.155.48.932015-06-19 → 2016-04-01 · 4 obs

● 2015-06-19 00:50:50
● 2016-04-01 06:07:26
○ 2017-02-08 02:32:42
○ 2026-07-17 17:16:42

○A2606:4700:30::6818:762e2019-01-26 → 2019-01-26 · 4 obs

○ 2017-02-08 02:32:42
● 2019-01-26 18:33:00
○ 2026-07-13 11:12:56
○ 2026-07-17 17:16:42

○A2606:4700:30::6818:772e2019-01-26 → 2019-01-26 · 4 obs

○ 2017-02-08 02:32:42
● 2019-01-26 18:33:00
○ 2026-07-13 11:12:56
○ 2026-07-17 17:16:42

●A2606:4700:3033::6815:41182026-07-13 → 2026-07-17 · 3 obs

○ 2019-01-26 18:33:00
● 2026-07-13 11:12:56
● 2026-07-17 17:16:42

●A2606:4700:3035::ac43:8bdc2026-07-13 → 2026-07-17 · 3 obs

○ 2019-01-26 18:33:00
● 2026-07-13 11:12:56
● 2026-07-17 17:16:42

○A2620:103::192:155:48:932015-06-19 → 2016-04-01 · 4 obs

● 2015-06-19 00:50:50
● 2016-04-01 06:07:26
○ 2017-02-08 02:32:42
○ 2026-07-17 17:16:42

○A2620:103:1:1:192:155:42:932017-02-08 → 2017-02-08 · 4 obs

○ 2016-04-01 06:07:26
● 2017-02-08 02:32:42
○ 2019-01-26 18:33:00
○ 2026-07-17 17:16:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
in	ns4.registry.in, ns3.registry.in, ns1.registry.in, ns2.registry.in	-
drdobbs.in	ns1.ubmdns.com, ns2.ubmdns.com	-

✅ Authoritative Response

Server:162.159.1.208

NS records: ns1.ubmdns.com, ns2.ubmdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for drdobbs.in (unsigned zone)

⏱️ Timing

Total: 1174ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.65.24, 172.67.139.220`
AAAA	2	`2606:4700:3033::6815:4118, 2606:4700:3035::ac43:8bdc`
NS	2	`ns1.ubmdns.com, ns2.ubmdns.com`
TXT	1	`v=spf1 mx include:spf.ubm-us.net -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ns1.ubmdns.com dns.cloudflare.com`

Analysis

IP Addresses

drdobbs.in points to the four IP addresses 104.21.65.24, 172.67.139.220, 2606:4700:3033::6815:4118 and 2606:4700:3035::ac43:8bdc.

Among the host names that share IP numbers with drdobbs.in are dehop.re, tga9966.biz, appleunlockingcompany.com and two others.

Name Servers

drdobbs.in is delegated to two name servers: ns1.ubmdns.com and ns2.ubmdns.com.

drdobbs.in has the same name server delegation as a number of other domains, such as sifair.net, cruise-research.com, techweb.eu and two more.

ns1.ubmdns.com and ns2.ubmdns.com each resolve to two IP addresses: ns1.ubmdns.com points to 162.159.0.208 and 2400:cb00:2049:1::a29f:d0, while ns2.ubmdns.com points to 162.159.1.208 and 2400:cb00:2049:1::a29f:1d0.

drdobbs.in - robtex.com

drdobbs.in

in

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`drdobbs.in`

`in`