`2016sf.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:2e89^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8b2e^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.46.137^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.139.46^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`donna.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a97^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c097^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`donna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2097^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`donna.ns.cloudflare.com`
		A	108.162.192.151^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	172.64.32.151^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	173.245.58.151^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
NS	`nash.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nash.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nash.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nash.ns.cloudflare.com`
		A	108.162.193.209^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nash.ns.cloudflare.com`
		A	172.64.33.209^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nash.ns.cloudflare.com`
		A	173.245.59.209^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nash.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.46.137, 172.67.139.46
		IPv6 hints	2606:4700:3033::6815:2e89, 2606:4700:3036::ac43:8b2e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=185, name=cloudflare-ech.com
SOA	`donna.ns.cloudflare.com`dns@cloudflare.com serial=2401040911

`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=1776053067

Subdomains

www.2016sf.com

Same first word

2016sf.com

DNS History

22 records (6 active, 16 former)

○NSa.share-dns.com2026-02-24 → 2026-03-24 · 5 obs

○ 2018-07-11 09:23:56
● 2026-02-24 05:58:38
● 2026-03-24 12:53:38
○ 2026-04-08 13:26:38
○ 2026-04-13 04:25:28

○NSb.share-dns.net2026-02-24 → 2026-03-24 · 5 obs

○ 2018-07-11 09:23:56
● 2026-02-24 05:58:38
● 2026-03-24 12:53:38
○ 2026-04-08 13:26:38
○ 2026-04-13 04:25:28

●NSdonna.ns.cloudflare.com2026-04-08 → 2026-04-13 · 3 obs

○ 2026-03-24 12:53:38
● 2026-04-08 13:26:38
● 2026-04-13 04:25:28

○NSfree.qycn.cn2018-07-11 → 2018-07-11 · 4 obs

○ 2016-04-27 02:32:32
● 2018-07-11 09:23:56
○ 2026-02-24 05:58:38
○ 2026-04-13 04:25:28

○NSfree.qycn.com2018-07-11 → 2018-07-11 · 4 obs

○ 2016-04-27 02:32:32
● 2018-07-11 09:23:56
○ 2026-02-24 05:58:38
○ 2026-04-13 04:25:28

○NSfree.qycn.net2018-07-11 → 2018-07-11 · 4 obs

○ 2016-04-27 02:32:32
● 2018-07-11 09:23:56
○ 2026-02-24 05:58:38
○ 2026-04-13 04:25:28

○NSfree.qycn.org2018-07-11 → 2018-07-11 · 4 obs

○ 2016-04-27 02:32:32
● 2018-07-11 09:23:56
○ 2026-02-24 05:58:38
○ 2026-04-13 04:25:28

●NSnash.ns.cloudflare.com2026-04-08 → 2026-04-13 · 3 obs

○ 2026-03-24 12:53:38
● 2026-04-08 13:26:38
● 2026-04-13 04:25:28

○NSns1.ecdcd.com2016-01-27 → 2016-04-27 · 5 obs

○ 2015-12-11 13:56:06
● 2016-01-27 17:37:08
● 2016-04-27 02:32:32
○ 2018-07-11 09:23:56
○ 2026-04-13 04:25:28

○NSns2.ecdcd.com2016-01-27 → 2016-04-27 · 5 obs

○ 2015-12-11 13:56:06
● 2016-01-27 17:37:08
● 2016-04-27 02:32:32
○ 2018-07-11 09:23:56
○ 2026-04-13 04:25:28

○NSsk.s5.ans1.ns121.ztomy.com2015-11-08 → 2015-12-11 · 5 obs

○ 2015-06-19 04:13:46
● 2015-11-08 15:39:56
● 2015-12-11 13:56:06
○ 2016-01-27 17:37:08
○ 2026-04-13 04:25:28

○NSsk.s5.ans2.ns121.ztomy.com2015-11-08 → 2015-12-11 · 5 obs

○ 2015-06-19 04:13:46
● 2015-11-08 15:39:56
● 2015-12-11 13:56:06
○ 2016-01-27 17:37:08
○ 2026-04-13 04:25:28

○NSv1s1.xundns.com2015-06-19 → 2015-06-19 · 4 obs

○ 2008-11-13 04:50:26
● 2015-06-19 04:13:46
○ 2015-11-08 15:39:56
○ 2026-04-13 04:25:28

○NSv1s2.xundns.com2015-06-19 → 2015-06-19 · 4 obs

○ 2008-11-13 04:50:26
● 2015-06-19 04:13:46
○ 2015-11-08 15:39:56
○ 2026-04-13 04:25:28

●A104.21.46.1372026-04-08 → 2026-04-13 · 3 obs

○ 2026-03-24 12:53:38
● 2026-04-08 13:26:38
● 2026-04-13 04:25:28

●A172.67.139.462026-04-08 → 2026-04-13 · 3 obs

○ 2026-03-24 12:53:38
● 2026-04-08 13:26:38
● 2026-04-13 04:25:28

○A185.206.21.1872026-02-24 → 2026-03-24 · 5 obs

○ 2018-07-11 09:23:56
● 2026-02-24 05:58:38
● 2026-03-24 12:53:38
○ 2026-04-08 13:26:38
○ 2026-04-13 04:25:28

○A208.91.197.392015-11-08 → 2015-12-11 · 4 obs

● 2015-11-08 15:39:56
● 2015-12-11 13:56:06
○ 2016-01-27 17:37:08
○ 2026-04-13 04:25:28

○A23.234.10.2042018-07-11 → 2018-07-11 · 4 obs

○ 2016-04-27 02:32:32
● 2018-07-11 09:23:56
○ 2026-02-24 05:58:38
○ 2026-04-13 04:25:28

○A23.234.40.1682016-01-27 → 2016-04-27 · 5 obs

○ 2015-12-11 13:56:06
● 2016-01-27 17:37:08
● 2016-04-27 02:32:32
○ 2018-07-11 09:23:56
○ 2026-04-13 04:25:28

●A2606:4700:3033::6815:2e892026-04-08 → 2026-04-13 · 3 obs

○ 2026-03-24 12:53:38
● 2026-04-08 13:26:38
● 2026-04-13 04:25:28

●A2606:4700:3036::ac43:8b2e2026-04-08 → 2026-04-13 · 3 obs

○ 2026-03-24 12:53:38
● 2026-04-08 13:26:38
● 2026-04-13 04:25:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net...	-
2016sf.com	donna.ns.cloudflare.com, nash.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.209

NS records: donna.ns.cloudflare.com, nash.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 2016sf.com (unsigned zone)

⏱️ Timing

Total: 155ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.139.46, 104.21.46.137`
AAAA	2	`2606:4700:3033::6815:2e89, 2606:4700:3036::ac43:8b2e`
NS	2	`donna.ns.cloudflare.com, nash.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`donna.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

2016sf.com is the parent of www.2016sf.com.

IP Addresses

2016sf.com resolves to four IP numbers: 2606:4700:3033::6815:2e89, 2606:4700:3036::ac43:8b2e, 104.21.46.137 and 172.67.139.46.

other host names for instance tokobond.com, printablecoloringkids.com, lygkjx.com, ks.turktvhub.ru and bullseyestorage.com share IP numbers with 2016sf.com.

Name Servers

2016sf.com is delegated to two name servers: donna.ns.cloudflare.com and nash.ns.cloudflare.com.

2016sf.com shares the same name server setup as other domains, for example leaman.org, bba-r.com, 515550.com, sdqhjs.com and cowsforkids.org.

2016sf.com at least partially shares name servers with other domains, for instance antiscj.or.kr, facebookm.club, 54777r.cc, preownedrvclearance.com and exposay.co.

These name servers are commonly used with aspen.ns.cloudflare.com, moura.ns.cloudflare.com, bayan.ns.cloudflare.com and jose.ns.cloudflare.com.

Host names with six IP numbers:

donna.ns.cloudflare.com points to: 2606:4700:50::adf5:3a97, 2803:f800:50::6ca2:c097, 2a06:98c1:50::ac40:2097, 108.162.192.151, 172.64.32.151 and 173.245.58.151; nash.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd1, 2803:f800:50::6ca2:c1d1, 2a06:98c1:50::ac40:21d1, 108.162.193.209, 172.64.33.209 and 173.245.59.209.

2016sf.com - robtex.com

2016sf.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`2016sf.com`

`com`