`technicalfellow.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:2850^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:b68f^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.40.80^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.182.143^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dayana.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2667^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dayana.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c267^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dayana.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2267^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dayana.ns.cloudflare.com`
		A	108.162.194.103^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dayana.ns.cloudflare.com`
		A	162.159.38.103^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dayana.ns.cloudflare.com`
		A	172.64.34.103^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dayana.ns.cloudflare.com`
NS	`nick.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nick.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nick.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nick.ns.cloudflare.com`
		A	108.162.193.213^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nick.ns.cloudflare.com`
		A	172.64.33.213^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nick.ns.cloudflare.com`
		A	173.245.59.213^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nick.ns.cloudflare.com`
MX	`technicalfellow-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::e^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00206.inbound.protection.outlook.com`
		A	52.101.68.10^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbbpr03cu00102.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
TXT	`apple-domain-verification=C8Xrh4pzDL076KQD`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`vmware-cloud-verification-a9d6c011-a863-4c86-b14d-40c8041e25a2`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.40.80, 172.67.182.143
		IPv6 hints	2606:4700:3033::6815:2850, 2606:4700:3034::ac43:b68f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=249, name=cloudflare-ech.com
SOA	`dayana.ns.cloudflare.com`dns@cloudflare.com serial=2402248567

`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=1776988831

Same first word

technicalfellow.com

DNS History

10 records (7 active, 3 former)

●NSdayana.ns.cloudflare.com2026-03-26 → 2026-04-24 · 3 obs

○ 2017-09-03 03:26:24
● 2026-03-26 23:35:02
● 2026-04-24 00:02:34

●NSnick.ns.cloudflare.com2026-03-26 → 2026-04-24 · 3 obs

○ 2017-09-03 03:26:24
● 2026-03-26 23:35:02
● 2026-04-24 00:02:34

○NSns11.domaincontrol.com2015-10-18 → 2017-09-03 · 4 obs

● 2015-10-18 05:04:28
● 2017-09-03 03:26:24
○ 2026-03-26 23:35:02
○ 2026-04-24 00:02:34

○NSns12.domaincontrol.com2015-10-18 → 2017-09-03 · 4 obs

● 2015-10-18 05:04:28
● 2017-09-03 03:26:24
○ 2026-03-26 23:35:02
○ 2026-04-24 00:02:34

●MXtechnicalfellow-com.mail.protection.outlook.com2015-10-18 → 2026-04-24 · 2 obs

● 2015-10-18 05:04:28
● 2026-04-24 00:02:34

●A104.21.40.802026-03-26 → 2026-04-24 · 3 obs

○ 2017-09-03 03:26:24
● 2026-03-26 23:35:02
● 2026-04-24 00:02:34

●A172.67.182.1432026-03-26 → 2026-04-24 · 3 obs

○ 2017-09-03 03:26:24
● 2026-03-26 23:35:02
● 2026-04-24 00:02:34

○A184.168.47.2252015-10-18 → 2017-09-03 · 4 obs

● 2015-10-18 05:04:28
● 2017-09-03 03:26:24
○ 2026-03-26 23:35:02
○ 2026-04-24 00:02:34

●A2606:4700:3033::6815:28502026-03-26 → 2026-04-24 · 3 obs

○ 2017-09-03 03:26:24
● 2026-03-26 23:35:02
● 2026-04-24 00:02:34

●A2606:4700:3034::ac43:b68f2026-03-26 → 2026-04-24 · 3 obs

○ 2017-09-03 03:26:24
● 2026-03-26 23:35:02
● 2026-04-24 00:02:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...	-
technicalfellow.com	nick.ns.cloudflare.com, dayana.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.213

NS records: nick.ns.cloudflare.com, dayana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for technicalfellow.com (unsigned zone)

⏱️ Timing

Total: 291ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.182.143, 104.21.40.80`
AAAA	2	`2606:4700:3033::6815:2850, 2606:4700:3034::ac43:b68f`
NS	2	`dayana.ns.cloudflare.com, nick.ns.cloudflare.com`
MX	1	`technicalfellow-com.mail.protection.outl`
TXT	3	`apple-domain-verification=C8Xrh4pzDL076K, v=spf1 include:spf.protection.outlook.co...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dayana.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nick.ns.cloudflare.com, nick.ns.cloudflare.com, nick.ns.cloudflare.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by technicalfellow.com: 2606:4700:3033::6815:2850, 2606:4700:3034::ac43:b68f, 104.21.40.80 and 172.67.182.143.

other host names including mcguirestavern.com, vifagiqoexventures.digital, www.eizouken-saikyo.com, substanced.net and izayewu.info share IP numbers with technicalfellow.com.

Name Servers

technicalfellow.com is delegated to two name servers dayana.ns.cloudflare.com and nick.ns.cloudflare.com.

technicalfellow.com shares the same name server setup as other domains, for instance crazyraptor.com, idogixtu.com, thundertag.com, datayea.com and lockwor.click.

technicalfellow.com at least partially shares name servers with other domains, for instance digitaltechnologieshub.edu.au, power-saudi.com, crmaudiology.com, adbienes.com.co and mngt-hotel.com.

These name servers are commonly used with roman.ns.cloudflare.com, shubhi.ns.cloudflare.com, venus.ns.cloudflare.com, lauryn.ns.cloudflare.com and adam.ns.cloudflare.com.

Host names with six IP numbers:

Host name dayana.ns.cloudflare.com points to: 2606:4700:50::a29f:2667, 2803:f800:50::6ca2:c267, 2a06:98c1:50::ac40:2267, 108.162.194.103, 162.159.38.103 and 172.64.34.103.

Host name nick.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd5, 2803:f800:50::6ca2:c1d5, 2a06:98c1:50::ac40:21d5, 108.162.193.213, 172.64.33.213 and 173.245.59.213.

Mail Servers

technicalfellow.com is handled by a single mail server, technicalfellow-com.mail.protection.outlook.com.

Host technicalfellow-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::6, 2a01:111:f403:ca09::8, 2a01:111:f403:ca09::b, 2a01:111:f403:ca09::e, 52.101.68.10, 52.101.73.2, 52.101.73.15 and 52.101.73.16.

technicalfellow.com - robtex.com