`37sumai.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:d4f7^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:17c1^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.193^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.247^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alfred.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c83^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alfred.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c383^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alfred.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2383^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alfred.ns.cloudflare.com`
		A	108.162.195.131^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alfred.ns.cloudflare.com`
		A	162.159.44.131^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alfred.ns.cloudflare.com`
		A	172.64.35.131^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alfred.ns.cloudflare.com`
NS	`hattie.ns.cloudflare.com`
		A	2606:4700:50::a29f:26ac^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hattie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ac^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hattie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ac^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hattie.ns.cloudflare.com`
		A	108.162.194.172^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hattie.ns.cloudflare.com`
		A	162.159.38.172^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hattie.ns.cloudflare.com`
		A	172.64.34.172^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hattie.ns.cloudflare.com`
TXT	`google-site-verification=sPjFJNSLNelXCv78Q55bNX5gfgiq2FzpLiZcSY95m4w`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.193, 172.67.212.247
		IPv6 hints	2606:4700:3034::ac43:d4f7, 2606:4700:3037::6815:17c1
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com
SOA	`alfred.ns.cloudflare.com`dns@cloudflare.com serial=2402022180

`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=1776920032

Subdomains

mail.37sumai.com

Same first word

37sumai.com

DNS History

20 records (6 active, 14 former)

○NSa.share-dns.com2026-03-12 → 2026-03-12 · 5 obs

○ 2026-02-25 22:26:14
● 2026-03-12 07:24:00
● 2026-03-12 16:39:14
○ 2026-04-17 06:05:14
○ 2026-04-23 05:02:30

○NSa1.share-dns.com2026-03-12 → 2026-03-12 · 5 obs

○ 2026-02-25 22:26:14
● 2026-03-12 07:24:00
● 2026-03-12 16:39:14
○ 2026-04-17 06:05:14
○ 2026-04-23 05:02:30

●NSalfred.ns.cloudflare.com2026-04-17 → 2026-04-23 · 3 obs

○ 2026-03-12 16:39:14
● 2026-04-17 06:05:14
● 2026-04-23 05:02:30

○NSb.share-dns.net2026-03-12 → 2026-03-12 · 5 obs

○ 2026-02-25 22:26:14
● 2026-03-12 07:24:00
● 2026-03-12 16:39:14
○ 2026-04-17 06:05:14
○ 2026-04-23 05:02:30

○NSb1.share-dns.net2026-03-12 → 2026-03-12 · 5 obs

○ 2026-02-25 22:26:14
● 2026-03-12 07:24:00
● 2026-03-12 16:39:14
○ 2026-04-17 06:05:14
○ 2026-04-23 05:02:30

○NSexpire1.gname-dns.com2026-02-25 → 2026-02-25 · 4 obs

○ 2017-01-30 07:04:24
● 2026-02-25 22:26:14
○ 2026-03-12 07:24:00
○ 2026-04-23 05:02:30

○NSexpire2.gname-dns.com2026-02-25 → 2026-02-25 · 4 obs

○ 2017-01-30 07:04:24
● 2026-02-25 22:26:14
○ 2026-03-12 07:24:00
○ 2026-04-23 05:02:30

●NShattie.ns.cloudflare.com2026-04-17 → 2026-04-23 · 3 obs

○ 2026-03-12 16:39:14
● 2026-04-17 06:05:14
● 2026-04-23 05:02:30

○NSns1.mfr.co.jp2015-08-02 → 2017-01-30 · 4 obs

● 2015-08-02 06:33:40
● 2017-01-30 07:04:24
○ 2026-02-25 22:26:14
○ 2026-04-23 05:02:30

○NSns2.mfr.co.jp2015-08-02 → 2017-01-30 · 4 obs

● 2015-08-02 06:33:40
● 2017-01-30 07:04:24
○ 2026-02-25 22:26:14
○ 2026-04-23 05:02:30

○NSsp1.gname-dns.com2026-02-25 → 2026-04-23 · 2 obs

○ 2026-02-25 22:26:14
○ 2026-04-23 05:02:30

○NSsp2.gname-dns.com2026-02-25 → 2026-04-23 · 2 obs

○ 2026-02-25 22:26:14
○ 2026-04-23 05:02:30

○MXmail11.mfr.co.jp2015-08-02 → 2017-01-30 · 4 obs

● 2015-08-02 06:33:40
● 2017-01-30 07:04:24
○ 2026-02-25 22:26:14
○ 2026-04-23 05:02:30

○MXmail12.mfr.co.jp2015-08-02 → 2017-01-30 · 4 obs

● 2015-08-02 06:33:40
● 2017-01-30 07:04:24
○ 2026-02-25 22:26:14
○ 2026-04-23 05:02:30

●A104.21.23.1932026-04-17 → 2026-04-23 · 2 obs

● 2026-04-17 06:05:14
● 2026-04-23 05:02:30

●A172.67.212.2472026-04-17 → 2026-04-23 · 2 obs

● 2026-04-17 06:05:14
● 2026-04-23 05:02:30

●A2606:4700:3034::ac43:d4f72026-04-17 → 2026-04-23 · 2 obs

● 2026-04-17 06:05:14
● 2026-04-23 05:02:30

●A2606:4700:3037::6815:17c12026-04-17 → 2026-04-23 · 2 obs

● 2026-04-17 06:05:14
● 2026-04-23 05:02:30

○CNAMEexp.gs-cdn.com2026-02-25 → 2026-02-25 · 3 obs

● 2026-02-25 22:26:14
○ 2026-03-12 07:24:00
○ 2026-04-23 05:02:30

○CNAMEsp.gname.net2026-02-25 → 2026-04-23 · 2 obs

○ 2026-02-25 22:26:14
○ 2026-04-23 05:02:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
37sumai.com	hattie.ns.cloudflare.com, alfred.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.131

NS records: hattie.ns.cloudflare.com, alfred.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 37sumai.com (unsigned zone)

⏱️ Timing

Total: 118ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.212.247, 104.21.23.193`
AAAA	2	`2606:4700:3034::ac43:d4f7, 2606:4700:3037::6815:17c1`
NS	2	`alfred.ns.cloudflare.com, hattie.ns.cloudflare.com`
TXT	1	`google-site-verification=sPjFJNSLNelXCv7`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alfred.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

mail.37sumai.com is a child of 37sumai.com.

IP Addresses

37sumai.com refers to four IP numbers: 2606:4700:3034::ac43:d4f7, 2606:4700:3037::6815:17c1, 104.21.23.193 and 172.67.212.247.

Other host names, for instance static.alhapi.com, zytzgz.com, www.casino-automatenspiele.org, buland.in and disavowgrid.digital share IP numbers with 37sumai.com.

Name Servers

37sumai.com's delegation uses two name servers: alfred.ns.cloudflare.com and hattie.ns.cloudflare.com.

37sumai.com uses the same name server setup as other domains, such as robinserver.com, robbiesriccarton.co.nz, quadlock.net.au, 4th.cc and vnc.asia.

37sumai.com at least partially shares name servers with other domains, including selas-trikalakorinthias.gr, ec-markets.net, skyinfraunion.digital, starspin.co and unevenbaseco.digital.

These name servers are commonly used with khalid.ns.cloudflare.com, jakub.ns.cloudflare.com and katelyn.ns.cloudflare.com.

Host names with six IP numbers:

alfred.ns.cloudflare.com points to 2606:4700:58::a29f:2c83, 2803:f800:50::6ca2:c383, 2a06:98c1:50::ac40:2383, 108.162.195.131, 162.159.44.131 and 172.64.35.131.

hattie.ns.cloudflare.com points to 2606:4700:50::a29f:26ac, 2803:f800:50::6ca2:c2ac, 2a06:98c1:50::ac40:22ac, 108.162.194.172, 162.159.38.172 and 172.64.34.172.

37sumai.com - robtex.com

37sumai.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`37sumai.com`

`com`