🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`flutterdeveloperweekly.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:ae0e^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5027^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.80.39^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.174.14^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kelly.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:265b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kelly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c25b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kelly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:225b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kelly.ns.cloudflare.com`
		A	108.162.194.91^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kelly.ns.cloudflare.com`
		A	162.159.38.91^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kelly.ns.cloudflare.com`
		A	172.64.34.91^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kelly.ns.cloudflare.com`
NS	`vern.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vern.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vern.ns.cloudflare.com`
		A	108.162.193.243^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
		A	172.64.33.243^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
		A	173.245.59.243^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
MX	`_dc-mx.f129caaa52a8.flutterdeveloperweekly.com` ⭐
		A	192.252.151.23^{🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA}
			PTR	`s401.sureserver.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.80.39, 172.67.174.14
		IPv6 hints	2606:4700:3035::ac43:ae0e, 2606:4700:3037::6815:5027
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=70, name=cloudflare-ech.com
SOA	`kelly.ns.cloudflare.com`dns@cloudflare.com serial=2417335698

`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=1793571356

Same first word

flutterdeveloperweekly.com

Previous names

Next names

DNS History

11 records (7 active, 4 former)

●NSkelly.ns.cloudflare.com2026-10-13 → 2026-11-01 · 2 obs

● 2026-10-13 00:08:42
● 2026-11-01 22:38:14

●NSvern.ns.cloudflare.com2026-10-13 → 2026-11-01 · 2 obs

● 2026-10-13 00:08:42
● 2026-11-01 22:38:14

●MX_dc-mx.f129caaa52a8.flutterdeveloperweekly.com2026-10-13 → 2026-11-01 · 2 obs

● 2026-10-13 00:08:42
● 2026-11-01 22:38:14

●A104.21.80.392026-11-01 → 2026-11-01 · 3 obs

○ 2026-10-13 00:08:42
● 2026-11-01 16:56:32
● 2026-11-01 22:38:14

●A172.67.174.142026-11-01 → 2026-11-01 · 3 obs

○ 2026-10-13 00:08:42
● 2026-11-01 16:56:32
● 2026-11-01 22:38:14

○A188.114.96.02026-10-13 → 2026-10-13 · 3 obs

● 2026-10-13 00:08:42
○ 2026-11-01 16:56:32
○ 2026-11-01 22:38:14

○A188.114.97.02026-10-13 → 2026-10-13 · 3 obs

● 2026-10-13 00:08:42
○ 2026-11-01 16:56:32
○ 2026-11-01 22:38:14

●A2606:4700:3035::ac43:ae0e2026-11-01 → 2026-11-01 · 3 obs

○ 2026-10-13 00:08:42
● 2026-11-01 16:56:32
● 2026-11-01 22:38:14

●A2606:4700:3037::6815:50272026-11-01 → 2026-11-01 · 3 obs

○ 2026-10-13 00:08:42
● 2026-11-01 16:56:32
● 2026-11-01 22:38:14

○A2a06:98c1:3120::2026-10-13 → 2026-10-13 · 3 obs

● 2026-10-13 00:08:42
○ 2026-11-01 16:56:32
○ 2026-11-01 22:38:14

○A2a06:98c1:3121::2026-10-13 → 2026-10-13 · 3 obs

● 2026-10-13 00:08:42
○ 2026-11-01 16:56:32
○ 2026-11-01 22:38:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
flutterdeveloperweekly.com	vern.ns.cloudflare.com, kelly.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.91

NS records: vern.ns.cloudflare.com, kelly.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flutterdeveloperweekly.com (unsigned zone)

⏱️ Timing

Total: 314ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.80.39, 172.67.174.14`
AAAA	2	`2606:4700:3037::6815:5027, 2606:4700:3035::ac43:ae0e`
NS	2	`kelly.ns.cloudflare.com, vern.ns.cloudflare.com`
MX	1	`_dc-mx.f129caaa52a8.flutterdeveloperweek`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kelly.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

flutterdeveloperweekly.com resolves to four IP addresses: 104.21.80.39, 172.67.174.14, 2606:4700:3035::ac43:ae0e and 2606:4700:3037::6815:5027.

Two other host names, along with andiamopizzachicago.com, cpe77.de and cesc-it.com, also share IP numbers with flutterdeveloperweekly.com.

Name Servers

flutterdeveloperweekly.com is served by two delegated name servers, kelly.ns.cloudflare.com and vern.ns.cloudflare.com.

flutterdeveloperweekly.com shares its NS records with other domains, for example bc-clarimate-flow.pages.dev, elgzal.pages.dev, anli029.workers.dev and two others.

flutterdeveloperweekly.com partially shares its NS delegation with several other domains, including sab-seifi.workers.dev, lwlewen.net, 8j5.online and two others.

These name servers regularly co-occur with the name servers clarissa.ns.cloudflare.com, boyd.ns.cloudflare.com and luke.ns.cloudflare.com.

DNS names with 6 IP addresses:

kelly.ns.cloudflare.com carries IP addresses 108.162.194.91, 162.159.38.91 and 172.64.34.91, with 3 other addresses beyond those.

vern.ns.cloudflare.com carries IP addresses 108.162.193.243, 172.64.33.243 and 173.245.59.243, with 3 other addresses beyond those.

Mail Servers

The sole mail server for flutterdeveloperweekly.com is _dc-mx.f129caaa52a8.flutterdeveloperweekly.com.

There is one IP number for _dc-mx.f129caaa52a8.flutterdeveloperweekly.com: 192.252.151.23.

flutterdeveloperweekly.com - robtex.com