`deckuflashcard.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8250^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:77d^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.7.125^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.80^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a43^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c043^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2043^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ara.ns.cloudflare.com`
		A	108.162.192.67^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
		A	172.64.32.67^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
		A	173.245.58.67^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
NS	`sam.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sam.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sam.ns.cloudflare.com`
		A	108.162.193.141^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
		A	172.64.33.141^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
		A	173.245.59.141^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
MX	`_dc-mx.ba7487bfbed0.deckuflashcard.com` ⭐
		A	54.255.44.70^{🇸🇬 Amazon54.255.0.0/17 SIN prefix}
			PTR	`ec2-54-255-44-70.ap-southeast-1.compute.amazonaws.com`
TXT	`google-site-verification=ec_wvezECQ14U7uvf3ZnUBXqDHh3BvAhZTwDuO-e-GE`
TXT	`v=spf1 a mx ip4:54.255.44.70 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.7.125, 172.67.130.80
		IPv6 hints	2606:4700:3030::ac43:8250, 2606:4700:3036::6815:77d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=93, name=cloudflare-ech.com
SOA	`ara.ns.cloudflare.com`dns@cloudflare.com serial=2401659479

`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=1777005416

Same first word

deckuflashcard.com

DNS History

11 records (7 active, 4 former)

●NSara.ns.cloudflare.com2026-02-24 → 2026-04-24 · 3 obs

○ 2018-10-18 03:37:56
● 2026-02-24 03:24:14
● 2026-04-24 04:55:18

○NSns1.aromdee.net2018-10-18 → 2018-10-18 · 3 obs

● 2018-10-18 03:37:56
○ 2026-02-24 03:24:14
○ 2026-04-24 04:55:18

○NSns2.aromdee.net2018-10-18 → 2018-10-18 · 3 obs

● 2018-10-18 03:37:56
○ 2026-02-24 03:24:14
○ 2026-04-24 04:55:18

●NSsam.ns.cloudflare.com2026-02-24 → 2026-04-24 · 3 obs

○ 2018-10-18 03:37:56
● 2026-02-24 03:24:14
● 2026-04-24 04:55:18

●MX_dc-mx.ba7487bfbed0.deckuflashcard.com2026-02-24 → 2026-04-24 · 3 obs

○ 2018-10-18 03:37:56
● 2026-02-24 03:24:14
● 2026-04-24 04:55:18

○MXmail.deckuflashcard.com2018-10-18 → 2018-10-18 · 3 obs

● 2018-10-18 03:37:56
○ 2026-02-24 03:24:14
○ 2026-04-24 04:55:18

●A104.21.7.1252026-02-24 → 2026-04-24 · 3 obs

○ 2018-10-18 03:37:56
● 2026-02-24 03:24:14
● 2026-04-24 04:55:18

●A172.67.130.802026-02-24 → 2026-04-24 · 3 obs

○ 2018-10-18 03:37:56
● 2026-02-24 03:24:14
● 2026-04-24 04:55:18

○A202.170.123.312018-10-18 → 2018-10-18 · 3 obs

● 2018-10-18 03:37:56
○ 2026-02-24 03:24:14
○ 2026-04-24 04:55:18

●A2606:4700:3030::ac43:82502026-02-24 → 2026-04-24 · 3 obs

○ 2018-10-18 03:37:56
● 2026-02-24 03:24:14
● 2026-04-24 04:55:18

●A2606:4700:3036::6815:77d2026-02-24 → 2026-04-24 · 3 obs

○ 2018-10-18 03:37:56
● 2026-02-24 03:24:14
● 2026-04-24 04:55:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
deckuflashcard.com	sam.ns.cloudflare.com, ara.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.67

NS records: sam.ns.cloudflare.com, ara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for deckuflashcard.com (unsigned zone)

⏱️ Timing

Total: 89ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.130.80, 104.21.7.125`
AAAA	2	`2606:4700:3030::ac43:8250, 2606:4700:3036::6815:77d`
NS	2	`ara.ns.cloudflare.com, sam.ns.cloudflare.com`
MX	1	`_dc-mx.ba7487bfbed0.deckuflashcard.com (`
TXT	2	`google-site-verification=ec_wvezECQ14U7u, v=spf1 a mx ip4:54.255.44.70 ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ara.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

deckuflashcard.com maps to four IP numbers: 2606:4700:3030::ac43:8250, 2606:4700:3036::6815:77d, 104.21.7.125 and 172.67.130.80.

Other host names, for instance techalpha.ae, giveyou.cn, haibingou.com, giovannidalessandro.it and allegrolokalnie.pl-6127787.sbs share IP numbers with deckuflashcard.com.

Name Servers

Two name servers ara.ns.cloudflare.com and sam.ns.cloudflare.com are delegated to deckuflashcard.com.

deckuflashcard.com uses the same name server configuration as other domains, such as mmaster.com.ua, thebrightlight.com, sastaticket.workers.dev, rhbgroup.com and helischools.com.

deckuflashcard.com at least partially shares name servers with other domains such as avtokampi.si, lydiainstitute.com, 90love.com.cn, specialarad.ro and winterhawks.net.

these name servers are commonly used with the name servers sri.ns.cloudflare.com.

Host names with six IP numbers: Host name ara.ns.cloudflare.com points to 2606:4700:50::adf5:3a43, 2803:f800:50::6ca2:c043, 2a06:98c1:50::ac40:2043, 108.162.192.67, 172.64.32.67 and 173.245.58.67; host name sam.ns.cloudflare.com points to 2606:4700:58::adf5:3b8d, 2803:f800:50::6ca2:c18d, 2a06:98c1:50::ac40:218d, 108.162.193.141, 172.64.33.141 and 173.245.59.141.

Mail Servers

deckuflashcard.com is handled by a single mail server, _dc-mx.ba7487bfbed0.deckuflashcard.com.

_dc-mx.ba7487bfbed0.deckuflashcard.com points to one IP number: 54.255.44.70.

deckuflashcard.com - robtex.com