chk.nu - robtex.com
chk.nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a01:4f8:200:8101::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | srv01.thhst.com | ||||||
| A | 144.76.200.42🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1 | ||||||
| NS | curt.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b5e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | curt.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c15e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | curt.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:215e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | curt.ns.cloudflare.com | ||||||
| A | 108.162.193.94🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | curt.ns.cloudflare.com | ||||||
| A | 172.64.33.94🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | curt.ns.cloudflare.com | ||||||
| A | 173.245.59.94🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | curt.ns.cloudflare.com | ||||||
| NS | nadia.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3acf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nadia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0cf🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nadia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20cf🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nadia.ns.cloudflare.com | ||||||
| A | 108.162.192.207🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nadia.ns.cloudflare.com | ||||||
| A | 172.64.32.207🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nadia.ns.cloudflare.com | ||||||
| A | 173.245.58.207🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nadia.ns.cloudflare.com | ||||||
| MX | mail.chk.nu ⭐ | ||||||
| A | 144.76.200.42🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1 | ||||||
| PTR | srv01.thhst.com | ||||||
| TXT | facebook-domain-verification=4o046fs2ae5vrkjz901b3qxjm085zt | ||||||
| TXT | google-site-verification=0BmQ6MLn2A8Rnna2Vn5X05dkM829E3laXycEuSAHX78 | ||||||
| TXT | google-site-verification=8WxJ5QA54mYy2acjYeyUqzACS-PxHkktT_VyFP6UgWk | ||||||
| TXT | google-site-verification=QKKKE3QDcUdPOwMabCBpyEPh9bDEkdjt_3qjPLAN0yU | ||||||
| TXT | google-site-verification=qeSB1Wz8ORD-xDWZI3IwMaWPTMvycZ-OY7G1BuwdsmM | ||||||
| TXT | google-site-verification=yO3sDOrO3q0i9f7a5bqwVKQo-Kgb8ED-9pKwIHnWXQg | ||||||
| TXT | v=spf1 +a +mx +ip4:144.76.200.42 ~all | ||||||
| SOA | curt.ns.cloudflare.comdns@cloudflare.com serial=2411242415 | ||||||
nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | catcher-in-the-rye.nic.nu ⭐ | ||||||
| NS | a.ns.nu | ||||||
| NS | c.ns.nu | ||||||
| NS | d.ns.nu | ||||||
| NS | m.ns.nu | ||||||
| NS | y.ns.nu | ||||||
| NS | z.ns.nu | ||||||
| TXT | id:15e5381b-cacb-433f-baea-00da4e0945e9 | ||||||
| TXT | NU zone update: 2026-08-10 10:22:07 +0000 (EPOCH 1786357327) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1786357382 | ||||||
Subdomains
mail.chk.nu |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NScurt.ns.cloudflare.com2026-06-23 → 2026-08-10 · 2 obs
● 2026-08-10 11:12:10
●NSnadia.ns.cloudflare.com2026-06-23 → 2026-08-10 · 2 obs
● 2026-08-10 11:12:10
●MXmail.chk.nu2026-06-23 → 2026-08-10 · 2 obs
● 2026-08-10 11:12:10
●A144.76.200.422026-06-23 → 2026-08-10 · 2 obs
● 2026-08-10 11:12:10
●A2a01:4f8:200:8101::22026-06-23 → 2026-08-10 · 2 obs
● 2026-08-10 11:12:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | m.ns.nu, d.ns.nu, a.ns.nu, c.ns.nu... | 12 records |
| chk.nu | nadia.ns.cloudflare.com, curt.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.94
NS records: nadia.ns.cloudflare.com, curt.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 349ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 144.76.200.42 |
| AAAA | 1 | 2a01:4f8:200:8101::2 |
| NS | 2 | curt.ns.cloudflare.com, nadia.ns.cloudflare.com |
| MX | 1 | mail.chk.nu (pri: 10) |
| TXT | 7 | facebook-domain-verification=4o046fs2ae5, google-site-verification=0BmQ6MLn2A8Rnna... |
| SOA | 1 | curt.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (z.ns.nu, y.ns.nu, m.ns.nu...)
Analysis
Hierarchy
chk.nu is the parent zone for mail.chk.nu.
IP Addresses
chk.nu resolves to the IP addresses 144.76.200.42 and 2a01:4f8:200:8101::2
Additional host names — srv01.thhst.com, thetrap.nl, traphou.se and two others — share IP numbers with chk.nu.
Name Servers
Two name servers handle the delegation for chk.nu: curt.ns.cloudflare.com and nadia.ns.cloudflare.com.
chk.nu shares its name server setup with other domains, including couppon-fconline.com, super-wiki.win, garena-lqmb.com and two others.
chk.nu partially shares its NS delegation with several other domains, including kibrissosyal.com, sportickets.com.br, frogo.io and two others.
The name servers dakota.ns.cloudflare.com, rafe.ns.cloudflare.com, lakas.ns.cloudflare.com and irena.ns.cloudflare.com are often found in use alongside these name servers.
Host names with 6 IP numbers:
curt.ns.cloudflare.com resolves to 108.162.193.94, 172.64.33.94 and 173.245.59.94 among others, with 3 other IP addresses in total.
nadia.ns.cloudflare.com resolves to 108.162.192.207, 172.64.32.207 and 173.245.58.207 among others, with 3 other IP addresses in total.
Mail Servers
chk.nu has one mail server: mail.chk.nu.
mail.chk.nu carries a single IP number, which is 144.76.200.42.