`audio-flashcards.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:4229^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:9bfb^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.66.41^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.251^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`art.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b66^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c166^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`art.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2166^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`art.ns.cloudflare.com`
		A	108.162.193.102^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	172.64.33.102^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	173.245.59.102^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
NS	`khloe.ns.cloudflare.com`
		A	2606:4700:50::a29f:268b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`khloe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`khloe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`khloe.ns.cloudflare.com`
		A	108.162.194.139^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`khloe.ns.cloudflare.com`
		A	162.159.38.139^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`khloe.ns.cloudflare.com`
		A	172.64.34.139^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`khloe.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4024:c0d::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`mj-in-f27.1e100.net`
		A	192.178.152.26^{🇺🇸 Google192.178.152.0/24}
			PTR	`mj-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:403::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`gg-in-f26.1e100.net`
		A	142.250.96.27^{🇺🇸 Google142.250.96.0/24}
			PTR	`gg-in-f27.1e100.net`
TXT	`google-site-verification=A06OKOs8jh3SyHFhcXiE2GSNC-L3-QSlcB0iZ61vQq0`
TXT	`google-site-verification=pOwioztaR8YB5Zs1LEd3AU_SfVeYnC1GmqBvWieQRFY`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.66.41, 172.67.155.251
		IPv6	2606:4700:3032::6815:4229, 2606:4700:3033::ac43:9bfb
SOA	`art.ns.cloudflare.com`dns@cloudflare.com serial=2396529362

`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=1771291435

DNS History

16 records (11 active, 5 former)

●NSart.ns.cloudflare.com2026-03-01 → 2026-03-01 · 3 obs

○ 2017-04-04 17:41:20
● 2026-03-01 18:31:50
● 2026-03-01 18:31:52

●NSkhloe.ns.cloudflare.com2026-03-01 → 2026-03-01 · 3 obs

○ 2017-04-04 17:41:20
● 2026-03-01 18:31:50
● 2026-03-01 18:31:52

○NSns47.domaincontrol.com2015-05-13 → 2017-04-04 · 4 obs

● 2015-05-13 20:32:30
● 2017-04-04 17:41:20
○ 2026-03-01 18:31:50
○ 2026-03-01 18:31:52

○NSns48.domaincontrol.com2015-05-13 → 2017-04-04 · 4 obs

● 2015-05-13 20:32:30
● 2017-04-04 17:41:20
○ 2026-03-01 18:31:50
○ 2026-03-01 18:31:52

●MXalt1.aspmx.l.google.com2026-03-01 → 2026-03-01 · 3 obs

○ 2017-04-04 17:41:20
● 2026-03-01 18:31:50
● 2026-03-01 18:31:52

●MXalt2.aspmx.l.google.com2026-03-01 → 2026-03-01 · 3 obs

○ 2017-04-04 17:41:20
● 2026-03-01 18:31:50
● 2026-03-01 18:31:52

●MXalt3.aspmx.l.google.com2026-03-01 → 2026-03-01 · 3 obs

○ 2017-04-04 17:41:20
● 2026-03-01 18:31:50
● 2026-03-01 18:31:52

●MXalt4.aspmx.l.google.com2026-03-01 → 2026-03-01 · 3 obs

○ 2017-04-04 17:41:20
● 2026-03-01 18:31:50
● 2026-03-01 18:31:52

●MXaspmx.l.google.com2026-03-01 → 2026-03-01 · 3 obs

○ 2017-04-04 17:41:20
● 2026-03-01 18:31:50
● 2026-03-01 18:31:52

○MXmailstore1.secureserver.net2015-05-13 → 2017-04-04 · 4 obs

● 2015-05-13 20:32:30
● 2017-04-04 17:41:20
○ 2026-03-01 18:31:50
○ 2026-03-01 18:31:52

○MXsmtp.secureserver.net2015-05-13 → 2017-04-04 · 4 obs

● 2015-05-13 20:32:30
● 2017-04-04 17:41:20
○ 2026-03-01 18:31:50
○ 2026-03-01 18:31:52

●A104.21.66.412026-03-01 → 2026-03-01 · 3 obs

○ 2017-04-04 17:41:20
● 2026-03-01 18:31:50
● 2026-03-01 18:31:52

●A172.67.155.2512026-03-01 → 2026-03-01 · 3 obs

○ 2017-04-04 17:41:20
● 2026-03-01 18:31:50
● 2026-03-01 18:31:52

○A184.168.221.482015-05-13 → 2017-04-04 · 4 obs

● 2015-05-13 20:32:30
● 2017-04-04 17:41:20
○ 2026-03-01 18:31:50
○ 2026-03-01 18:31:52

●A2606:4700:3032::6815:42292026-03-01 → 2026-03-01 · 3 obs

○ 2017-04-04 17:41:20
● 2026-03-01 18:31:50
● 2026-03-01 18:31:52

●A2606:4700:3033::ac43:9bfb2026-03-01 → 2026-03-01 · 3 obs

○ 2017-04-04 17:41:20
● 2026-03-01 18:31:50
● 2026-03-01 18:31:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net...	-
audio-flashcards.com	art.ns.cloudflare.com, khloe.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.102

NS records: art.ns.cloudflare.com, khloe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for audio-flashcards.com (unsigned zone)

⏱️ Timing

Total: 357ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.66.41, 172.67.155.251`
AAAA	2	`2606:4700:3032::6815:4229, 2606:4700:3033::ac43:9bfb`
NS	2	`art.ns.cloudflare.com, khloe.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=A06OKOs8jh3SyHF, google-site-verification=pOwioztaR8YB5Zs`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`art.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

audio-flashcards.com maps to four IP numbers: 2606:4700:3032::6815:4229, 2606:4700:3033::ac43:9bfb, 104.21.66.41 and 172.67.155.251.

other host names include americanpriority.com, bybus.in, ua-bay.net, ltut.com and buyacaiberryin.com; they share IP numbers with audio-flashcards.com.

Name Servers

Two name servers art.ns.cloudflare.com and khloe.ns.cloudflare.com handle the delegation for audio-flashcards.com.

audio-flashcards.com shares the same name server setup as other domains, for instance celestialconsole.com, honey-webtoons.site, chocolatseve.com, straightupspineandposture.com and aa55.dev.

audio-flashcards.com at least partially shares name servers with other domains, for instance ziamedicalcenter.com, sspy.net, lacasasintiempo.com, jayscdandhobby.com and advisorpharma.com.

These name servers are commonly used alongside kanye.ns.cloudflare.com, noor.ns.cloudflare.com and randall.ns.cloudflare.com.

Six IP addresses per host:

art.ns.cloudflare.com points to 2606:4700:58::adf5:3b66, 2803:f800:50::6ca2:c166, 2a06:98c1:50::ac40:2166, 108.162.193.102, 172.64.33.102 and 173.245.59.102; khloe.ns.cloudflare.com points to 2606:4700:50::a29f:268b, 2803:f800:50::6ca2:c28b, 2a06:98c1:50::ac40:228b, 108.162.194.139, 162.159.38.139 and 172.64.34.139

Mail Servers

audio-flashcards.com is served by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

audio-flashcards.com shares at least partially some mail servers with other domains, for instance r2dev.mx, dackus.com, ns500821.ns500821.ns500794.ns500821.ns500794.ns500841.ns500821.ns500821.ns500794.ns500821.ns500821.ns500795.ns500821.ns500821.ns500795.ns500790.ns500795.lustypartnersfinder.com, k(0x616e616c)k.ch and ns500698.ns500759.ns500698.ns500759.ns500735.ns500698.ns500735.ns500698.ns500708.ns500708.ns500576.ns500698.ns500698.ns500619.ns500686.ns500619.ns500619.trackreceptor.com.

Mail servers frequently appear alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

The host name aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27.

The host name alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26.

The host name alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.

The host name alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26.

The host name alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.

audio-flashcards.com - robtex.com