core.app - dns.ninja

core.app

DNSSEC⚠️ Not signed
A2a06:98c1:3100::6812:2338🇺🇸 Cloudflare2a06:98c1:3100::/48 ✓ In HTTPS hints
A2a06:98c1:3106::ac40:98c8🇺🇸 Cloudflare2a06:98c1:3106::/48 ✓ In HTTPS hints
A104.18.35.56Cloudflare104.18.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.64.152.200🇺🇸 Cloudflare172.64.152.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnile.ns.cloudflare.com
A2606:4700:58::adf5:3bd6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnile.ns.cloudflare.com
A2803:f800:50::6ca2:c1d6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnile.ns.cloudflare.com
A2a06:98c1:50::ac40:21d6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnile.ns.cloudflare.com
A108.162.193.214🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnile.ns.cloudflare.com
A172.64.33.214🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnile.ns.cloudflare.com
A173.245.59.214🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnile.ns.cloudflare.com
NSrihana.ns.cloudflare.com
A2606:4700:50::adf5:3af4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrihana.ns.cloudflare.com
A2803:f800:50::6ca2:c0f4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrihana.ns.cloudflare.com
A2a06:98c1:50::ac40:20f4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrihana.ns.cloudflare.com
A108.162.192.244🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrihana.ns.cloudflare.com
A172.64.32.244🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrihana.ns.cloudflare.com
A173.245.58.244🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrihana.ns.cloudflare.com
MXaspmx.l.google.com
A2607:f8b0:4004:c1b::1b🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f27.1e100.net
A172.253.139.27🇺🇸 Google172.253.139.0/24
PTRyuiadsk-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1b🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f27.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXTgoogle-site-verification=e9w4KKnaK_UNuzA_afguX6hgfV_cOc9LQ62CdeJuYyU
TXTv=spf1 include:_spf.google.com include:7522520.spf04.hubspotemail.net ~all
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.18.35.56, 172.64.152.200
IPv6 hints2a06:98c1:3100::6812:2338, 2a06:98c1:3106::ac40:98c8
SOAnile.ns.cloudflare.comdns@cloudflare.com serial=2410091620

app

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427
rank #103923 globally
rank #110 in the tld
📈 Tranco rank: #254,527
🔒 HSTS Preload (+subdomains)

Same first word

Similar names

DNS History

17 records (11 active, 6 former)

202120222023202420252026NSnile.ns.cloudflare.comrihana.ns.cloudflare.comns1.sedoparking.comns2.sedoparking.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commail.pickelhost.comA104.18.35.56172.64.152.2002a06:98c1:3100::6812:23382a06:98c1:3106::ac40:98c82a06:98c1:3103::6812:23382a06:98c1:3105::ac40:98c891.195.240.126
NSnile.ns.cloudflare.com2026-02-16 → 2026-07-30 · 3 obs
○ 2020-04-10 09:33:30
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
NSns1.sedoparking.com2020-04-10 → 2020-04-10 · 3 obs
● 2020-04-10 09:33:30
○ 2026-02-16 00:50:48
○ 2026-07-30 20:14:56
NSns2.sedoparking.com2020-04-10 → 2020-04-10 · 3 obs
● 2020-04-10 09:33:30
○ 2026-02-16 00:50:48
○ 2026-07-30 20:14:56
NSrihana.ns.cloudflare.com2026-02-16 → 2026-07-30 · 3 obs
○ 2020-04-10 09:33:30
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
MXalt1.aspmx.l.google.com2026-02-16 → 2026-07-30 · 3 obs
○ 2020-04-10 09:33:30
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
MXalt2.aspmx.l.google.com2026-02-16 → 2026-07-30 · 3 obs
○ 2020-04-10 09:33:30
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
MXalt3.aspmx.l.google.com2026-02-16 → 2026-07-30 · 3 obs
○ 2020-04-10 09:33:30
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
MXalt4.aspmx.l.google.com2026-02-16 → 2026-07-30 · 3 obs
○ 2020-04-10 09:33:30
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
MXaspmx.l.google.com2026-02-16 → 2026-07-30 · 3 obs
○ 2020-04-10 09:33:30
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
MXmail.pickelhost.com2020-04-10 → 2020-04-10 · 3 obs
● 2020-04-10 09:33:30
○ 2026-02-16 00:50:48
○ 2026-07-30 20:14:56
A104.18.35.562026-02-16 → 2026-07-30 · 3 obs
○ 2020-04-10 09:33:30
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
A172.64.152.2002026-02-16 → 2026-07-30 · 3 obs
○ 2020-04-10 09:33:30
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
A2a06:98c1:3100::6812:23382026-07-28 → 2026-07-30 · 3 obs
○ 2026-02-16 00:50:48
● 2026-07-28 21:21:00
● 2026-07-30 20:14:56
A2a06:98c1:3103::6812:23382026-02-16 → 2026-02-16 · 4 obs
○ 2020-04-10 09:33:30
● 2026-02-16 00:50:48
○ 2026-07-28 21:21:00
○ 2026-07-30 20:14:56
A2a06:98c1:3105::ac40:98c82026-02-16 → 2026-02-16 · 4 obs
○ 2020-04-10 09:33:30
● 2026-02-16 00:50:48
○ 2026-07-28 21:21:00
○ 2026-07-30 20:14:56
A2a06:98c1:3106::ac40:98c82026-07-28 → 2026-07-30 · 3 obs
○ 2026-02-16 00:50:48
● 2026-07-28 21:21:00
● 2026-07-30 20:14:56
A91.195.240.1262020-04-10 → 2020-04-10 · 3 obs
● 2020-04-10 09:33:30
○ 2026-02-16 00:50:48
○ 2026-07-30 20:14:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
appns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
core.appnile.ns.cloudflare.com, rihana.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.244

NS records: nile.ns.cloudflare.com, rihana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core.app (unsigned zone)

⏱️ Timing

Total: 577ms | Queries: -

📄 Records

TypeCountSample Data
A2104.18.35.56, 172.64.152.200
AAAA22a06:98c1:3100::6812:2338, 2a06:98c1:3106::ac40:98c8
NS2nile.ns.cloudflare.com, rihana.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=e9w4KKnaK_UNuzA, v=spf1 include:_spf.google.com include:7
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1nile.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

core.app resolves to four IP addresses: 104.18.35.56, 172.64.152.200, 2a06:98c1:3100::6812:2338 and 2a06:98c1:3106::ac40:98c8.

Additional host names — eucrisahcp.com, objectifpreventionsante.fr, indeedjb.com and two others — share IP numbers with core.app.

Name Servers

Two name servers handle the delegation for core.app: nile.ns.cloudflare.com and rihana.ns.cloudflare.com.

core.app shares its name server setup with other domains, including imq.com.ua, jimpans3.de, buddhalightshop.com and two others.

core.app has at least partial name server overlap with other domains, such as dewi188.dev, asia200.rest, farsihubz.com and two others.

These name servers tend to appear together with the name servers sue.ns.cloudflare.com, sasha.ns.cloudflare.com and harley.ns.cloudflare.com.

Host names with 6 IP numbers:

nile.ns.cloudflare.com resolves to 108.162.193.214, 172.64.33.214 and 173.245.59.214 among others, with 3 other IP addresses in total.

rihana.ns.cloudflare.com resolves to 108.162.192.244, 172.64.32.244 and 173.245.58.244 among others, with 3 other IP addresses in total.

Mail Servers

core.app is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

core.app shares mail servers — at least in part — with other domains, including ns500742.ns500754.ns500742.ns500671.ns500731.ns500688.ns500704.ns500671.ns500705.ns500671.ns500688.ns500649.ns500678.ns500666.ns500653.ns500153.tenderladiesbz.com, eliasjr.hu, ns500698.ns500698.ns500758.ns500698.ns500698.ns500736.ns500735.ns500735.ns500735.ns500576.ns500576.ns500619.ns500698.ns500686.ns500652.ns500619.trackreceptor.com and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com resolves to two addresses: 172.253.139.27 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.