core.app - dns.ninja
core.app
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
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)
●NSnile.ns.cloudflare.com2026-02-16 → 2026-07-30 · 3 obs
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
○NSns1.sedoparking.com2020-04-10 → 2020-04-10 · 3 obs
○ 2026-02-16 00:50:48
○ 2026-07-30 20:14:56
○NSns2.sedoparking.com2020-04-10 → 2020-04-10 · 3 obs
○ 2026-02-16 00:50:48
○ 2026-07-30 20:14:56
●NSrihana.ns.cloudflare.com2026-02-16 → 2026-07-30 · 3 obs
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
●MXalt1.aspmx.l.google.com2026-02-16 → 2026-07-30 · 3 obs
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
●MXalt2.aspmx.l.google.com2026-02-16 → 2026-07-30 · 3 obs
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
●MXalt3.aspmx.l.google.com2026-02-16 → 2026-07-30 · 3 obs
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
●MXalt4.aspmx.l.google.com2026-02-16 → 2026-07-30 · 3 obs
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
●MXaspmx.l.google.com2026-02-16 → 2026-07-30 · 3 obs
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
○MXmail.pickelhost.com2020-04-10 → 2020-04-10 · 3 obs
○ 2026-02-16 00:50:48
○ 2026-07-30 20:14:56
●A104.18.35.562026-02-16 → 2026-07-30 · 3 obs
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
●A172.64.152.2002026-02-16 → 2026-07-30 · 3 obs
● 2026-02-16 00:50:48
● 2026-07-30 20:14:56
●A2a06:98c1:3100::6812:23382026-07-28 → 2026-07-30 · 3 obs
● 2026-07-28 21:21:00
● 2026-07-30 20:14:56
○A2a06:98c1:3103::6812:23382026-02-16 → 2026-02-16 · 4 obs
● 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
● 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
● 2026-07-28 21:21:00
● 2026-07-30 20:14:56
○A91.195.240.1262020-04-10 → 2020-04-10 · 3 obs
○ 2026-02-16 00:50:48
○ 2026-07-30 20:14:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | 10 records |
| core.app | nile.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
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.18.35.56, 172.64.152.200 |
| AAAA | 2 | 2a06:98c1:3100::6812:2338, 2a06:98c1:3106::ac40:98c8 |
| NS | 2 | nile.ns.cloudflare.com, rihana.ns.cloudflare.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | google-site-verification=e9w4KKnaK_UNuzA, v=spf1 include:_spf.google.com include:7 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2"] |
| SOA | 1 | nile.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.