`flashinterview.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:2dfc^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:ddaf^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.45.252^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.221.175^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`isla.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c077^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2077^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isla.ns.cloudflare.com`
		A	108.162.192.119^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	172.64.32.119^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	173.245.58.119^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
NS	`thaddeus.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c7f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`thaddeus.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`thaddeus.ns.cloudflare.com`
		A	108.162.195.127^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
		A	162.159.44.127^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
		A	172.64.35.127^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
MX	`mx1.improvmx.com` ⭐
		A	2a05:d012:412:e201:88aa:e7b9:7a43:12d7^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:f36:2c1f:1a49:d38a^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:373a:f51a:4a85:1d25^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.37.195.136^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-37-195-136.eu-west-3.compute.amazonaws.com`
		A	15.236.236.160^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-236-160.eu-west-3.compute.amazonaws.com`
		A	35.181.18.45^{🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix}
			PTR	`ec2-35-181-18-45.eu-west-3.compute.amazonaws.com`
MX	`mx2.improvmx.com`⁽²⁰⁾
		A	2a05:d012:412:e201:1f6e:f6e4:8fd7:4678^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:e81e:cc44:3b53:8a3d^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:7e33:3d9c:28d7:ee20^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.36.107.63^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-107-63.eu-west-3.compute.amazonaws.com`
		A	13.36.222.39^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-222-39.eu-west-3.compute.amazonaws.com`
		A	15.236.61.92^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-61-92.eu-west-3.compute.amazonaws.com`
TXT	`google-site-verification=nPPXZdabf5rx1hEJMIhWQVWb2aWUFUWiNIlkuDB74XY`
TXT	`hosting-site=minuteinterview-50f8a`
TXT	`v=spf1 include:spf.improvmx.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.45.252, 172.67.221.175
		IPv6 hints	2606:4700:3030::6815:2dfc, 2606:4700:3032::ac43:ddaf
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=81, name=cloudflare-ech.com
SOA	`isla.ns.cloudflare.com`dns@cloudflare.com serial=2401319412

`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=1777066151

Previously MX for

flashinterview.com

Same first word

flashinterview.com

DNS History

17 records (8 active, 9 former)

●NSisla.ns.cloudflare.com2026-03-30 → 2026-04-24 · 3 obs

○ 2018-01-10 01:26:18
● 2026-03-30 14:48:10
● 2026-04-24 21:38:18

○NSns23.domaincontrol.com2015-07-21 → 2016-05-06 · 4 obs

● 2015-07-21 18:35:30
● 2016-05-06 04:46:12
○ 2017-01-10 07:00:36
○ 2026-04-24 21:38:18

○NSns24.domaincontrol.com2015-07-21 → 2016-05-06 · 4 obs

● 2015-07-21 18:35:30
● 2016-05-06 04:46:12
○ 2017-01-10 07:00:36
○ 2026-04-24 21:38:18

○NSns3.a2hosting.com2017-01-10 → 2018-01-10 · 5 obs

○ 2016-05-06 04:46:12
● 2017-01-10 07:00:36
● 2018-01-10 01:26:18
○ 2026-03-30 14:48:10
○ 2026-04-24 21:38:18

○NSns4.a2hosting.com2017-01-10 → 2018-01-10 · 5 obs

○ 2016-05-06 04:46:12
● 2017-01-10 07:00:36
● 2018-01-10 01:26:18
○ 2026-03-30 14:48:10
○ 2026-04-24 21:38:18

●NSthaddeus.ns.cloudflare.com2026-03-30 → 2026-04-24 · 3 obs

○ 2018-01-10 01:26:18
● 2026-03-30 14:48:10
● 2026-04-24 21:38:18

○MXflashinterview.com2017-01-10 → 2018-01-10 · 5 obs

○ 2016-05-06 04:46:12
● 2017-01-10 07:00:36
● 2018-01-10 01:26:18
○ 2026-03-30 14:48:10
○ 2026-04-24 21:38:18

○MXmailstore1.secureserver.net2015-07-21 → 2016-05-06 · 4 obs

● 2015-07-21 18:35:30
● 2016-05-06 04:46:12
○ 2017-01-10 07:00:36
○ 2026-04-24 21:38:18

●MXmx1.improvmx.com2026-03-30 → 2026-04-24 · 3 obs

○ 2018-01-10 01:26:18
● 2026-03-30 14:48:10
● 2026-04-24 21:38:18

●MXmx2.improvmx.com2026-03-30 → 2026-04-24 · 3 obs

○ 2018-01-10 01:26:18
● 2026-03-30 14:48:10
● 2026-04-24 21:38:18

○MXsmtp.secureserver.net2015-07-21 → 2016-05-06 · 4 obs

● 2015-07-21 18:35:30
● 2016-05-06 04:46:12
○ 2017-01-10 07:00:36
○ 2026-04-24 21:38:18

●A104.21.45.2522026-03-30 → 2026-04-24 · 3 obs

○ 2018-01-10 01:26:18
● 2026-03-30 14:48:10
● 2026-04-24 21:38:18

●A172.67.221.1752026-03-30 → 2026-04-24 · 3 obs

○ 2018-01-10 01:26:18
● 2026-03-30 14:48:10
● 2026-04-24 21:38:18

●A2606:4700:3030::6815:2dfc2026-03-30 → 2026-04-24 · 3 obs

○ 2018-01-10 01:26:18
● 2026-03-30 14:48:10
● 2026-04-24 21:38:18

●A2606:4700:3032::ac43:ddaf2026-03-30 → 2026-04-24 · 3 obs

○ 2018-01-10 01:26:18
● 2026-03-30 14:48:10
● 2026-04-24 21:38:18

○A66.198.250.452017-01-10 → 2018-01-10 · 5 obs

○ 2016-05-06 04:46:12
● 2017-01-10 07:00:36
● 2018-01-10 01:26:18
○ 2026-03-30 14:48:10
○ 2026-04-24 21:38:18

○A97.74.144.1892015-07-21 → 2016-05-06 · 4 obs

● 2015-07-21 18:35:30
● 2016-05-06 04:46:12
○ 2017-01-10 07:00:36
○ 2026-04-24 21:38:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net...	-
flashinterview.com	isla.ns.cloudflare.com, thaddeus.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.127

NS records: isla.ns.cloudflare.com, thaddeus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flashinterview.com (unsigned zone)

⏱️ Timing

Total: 400ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.221.175, 104.21.45.252`
AAAA	2	`2606:4700:3032::ac43:ddaf, 2606:4700:3030::6815:2dfc`
NS	2	`isla.ns.cloudflare.com, thaddeus.ns.cloudflare.com`
MX	2	`mx1.improvmx.com (pri: 10), mx2.improvmx.com (pri: 20)`
TXT	3	`google-site-verification=nPPXZdabf5rx1hE, hosting-site=minuteinterview-50f8a...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`isla.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by flashinterview.com: 2606:4700:3030::6815:2dfc, 2606:4700:3032::ac43:ddaf, 104.21.45.252 and 172.67.221.175.

other host names including peruline.de, tifq7.miimzezjafhof.com, www.cascoviejo.com.mx.cdn.cloudflare.net, ns2.kazemian.net and reservehotel.net share IP numbers with flashinterview.com.

Name Servers

flashinterview.com is delegated to two name servers isla.ns.cloudflare.com and thaddeus.ns.cloudflare.com.

flashinterview.com shares the same name server setup as other domains, for instance savealfieevans.com, taxsolutionsbarasat.in, techhut.in, hoan.com.tw and drunkendata.com.

flashinterview.com at least partially shares name servers with other domains, for instance decorplanet.com, casino-kursaal-oostende.top, 33cp11.cc, pcsossa.com and tassets.com.

these name servers are commonly used alongside crystal.ns.cloudflare.com.

Host names with six IP numbers:

Host name isla.ns.cloudflare.com points to: 2606:4700:50::adf5:3a77, 2803:f800:50::6ca2:c077, 2a06:98c1:50::ac40:2077, 108.162.192.119, 172.64.32.119 and 173.245.58.119.

Host name thaddeus.ns.cloudflare.com points to: 2606:4700:58::a29f:2c7f, 2803:f800:50::6ca2:c37f, 2a06:98c1:50::ac40:237f, 108.162.195.127, 162.159.44.127 and 172.64.35.127.

Mail Servers

Two mail servers handle flashinterview.com: mx1.improvmx.com and mx2.improvmx.com.

flashinterview.com shares the same mail server setup as other domains, for instance lukagwajewellers.com, spoilbar.com, vids.asia, trebinjelive.info and zepsy.com.

flashinterview.com shares at least some mail servers with other domains, including mensa.dk, sodalabs.com, yaddy.org and ipdjian.com.

Host names with six IP numbers:

Host name mx1.improvmx.com points to: 2a05:d012:412:e201:88aa:e7b9:7a43:12d7, 2a05:d012:412:e202:f36:2c1f:1a49:d38a, 2a05:d012:412:e203:373a:f51a:4a85:1d25, 13.37.195.136, 15.236.236.160 and 35.181.18.45.

Host name mx2.improvmx.com points to: 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678, 2a05:d012:412:e202:e81e:cc44:3b53:8a3d, 2a05:d012:412:e203:7e33:3d9c:28d7:ee20, 13.36.107.63, 13.36.222.39 and 15.236.61.92.

flashinterview.com - robtex.com