function.work - dns.ninja
function.work
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:d630🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:5b55🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.91.85Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.214.48🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| 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 | nia.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ad2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0d2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20d2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 108.162.192.210🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 172.64.32.210🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 173.245.58.210🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| MX | mxn.mxhichina.com ⭐ | ||||||
| A | 47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| PTR | cz-clare.com | ||||||
| PTR | reachsmartdwell.com | ||||||
| PTR | wevolt.tech | ||||||
| A | 47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| MX | mxw.mxhichina.com(10) | ||||||
| A | 47.246.99.195🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object | ||||||
| PTR | reachsmartdwell.com | ||||||
| TXT | v=spf1 include:spf.mxhichina.com -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.91.85, 172.67.214.48 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:d630, 2606:4700:3036::6815:5b55 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=170, name=cloudflare-ech.com | ||||||
| SOA | curt.ns.cloudflare.comdns@cloudflare.com serial=2414563507 | ||||||
work
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.work ⭐ | ||||||
| NS | b.nic.work | ||||||
| NS | c.nic.work | ||||||
| NS | x.nic.work | ||||||
| NS | y.nic.work | ||||||
| NS | z.nic.work | ||||||
| SOA | a.nic.workadmin@tldns.godaddy serial=1789090473 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
12 records (8 active, 4 former)
●NScurt.ns.cloudflare.com2026-09-10 → 2026-09-11 · 2 obs
● 2026-09-11 02:01:06
●NSnia.ns.cloudflare.com2026-09-10 → 2026-09-11 · 2 obs
● 2026-09-11 02:01:06
●MXmxn.mxhichina.com2026-09-10 → 2026-09-11 · 2 obs
● 2026-09-11 02:01:06
●MXmxw.mxhichina.com2026-09-10 → 2026-09-11 · 2 obs
● 2026-09-11 02:01:06
●A104.21.91.852026-09-11 → 2026-09-11 · 3 obs
● 2026-09-11 02:01:02
● 2026-09-11 02:01:06
●A172.67.214.482026-09-11 → 2026-09-11 · 3 obs
● 2026-09-11 02:01:02
● 2026-09-11 02:01:06
○A188.114.96.02026-09-10 → 2026-09-10 · 3 obs
○ 2026-09-11 02:01:02
○ 2026-09-11 02:01:06
○A188.114.97.02026-09-10 → 2026-09-10 · 3 obs
○ 2026-09-11 02:01:02
○ 2026-09-11 02:01:06
●A2606:4700:3030::ac43:d6302026-09-11 → 2026-09-11 · 3 obs
● 2026-09-11 02:01:02
● 2026-09-11 02:01:06
●A2606:4700:3036::6815:5b552026-09-11 → 2026-09-11 · 3 obs
● 2026-09-11 02:01:02
● 2026-09-11 02:01:06
○A2a06:98c1:3120::2026-09-10 → 2026-09-10 · 3 obs
○ 2026-09-11 02:01:02
○ 2026-09-11 02:01:06
○A2a06:98c1:3121::2026-09-10 → 2026-09-10 · 3 obs
○ 2026-09-11 02:01:02
○ 2026-09-11 02:01:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| work | a.nic.work, z.nic.work, c.nic.work, x.nic.work... | 12 records |
| function.work | nia.ns.cloudflare.com, curt.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.210
NS records: nia.ns.cloudflare.com, curt.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for function.work (unsigned zone)
⏱️ Timing
Total: 1529ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.91.85, 172.67.214.48 |
| AAAA | 2 | 2606:4700:3030::ac43:d630, 2606:4700:3036::6815:5b55 |
| NS | 2 | curt.ns.cloudflare.com, nia.ns.cloudflare.com |
| MX | 2 | mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mxhichina.com -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | curt.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.work, b.nic.work, c.nic.work...)
Analysis
IP Addresses
function.work directs to four IP numbers, which are 104.21.91.85, 172.67.214.48, 2606:4700:3030::ac43:d630 and 2606:4700:3036::6815:5b55.
Among the host names that share IP numbers with function.work are directradio.net, mail.rcr.org.il, yldc.bet and two others.
Name Servers
function.work is served by two delegated name servers, curt.ns.cloudflare.com and nia.ns.cloudflare.com.
function.work has the same name server delegation as a number of other domains, such as sanprinonproperties.com, candycasino343.org, bibon05.workers.dev and two more.
There is at least partial name server overlap between function.work and other domains — kamparsynergiabadi.com, jrstl.co, kecupaku.my.id and two more among them.
These name servers frequently co-occur with the name servers walk.ns.cloudflare.com and dalary.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
curt.ns.cloudflare.com carries IP addresses 108.162.193.94, 172.64.33.94 and 173.245.59.94, with 3 other addresses beyond those.
nia.ns.cloudflare.com carries IP addresses 108.162.192.210, 172.64.32.210 and 173.245.58.210, with 3 other addresses beyond those.
Mail Servers
The MX records for function.work point to two mail servers: mxn.mxhichina.com and mxw.mxhichina.com.
function.work has the same mail server arrangement as a number of other domains, for example shzhiyingedu.com, sdzhzb.com, smartercarp.com and two more.
function.work shares at least some of its mail servers with other domains — for example otw-hd.com, laawee.com, gaaiho.com and two more.
These mail servers are routinely found in combination with the mail servers mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
Hosts with two IP numbers each:
mxn.mxhichina.com maps to two IP addresses — 47.246.136.231 and 47.246.137.47.
Hosts that resolve to one IP address:
mxw.mxhichina.com points to the IP address 47.246.99.195.