sf2.org - robtex.com

sf2.org

DNSSEC⚠️ Not signed
A202.172.28.62🇯🇵 DRNET202.172.24.0/21
PTRs61.coreserver.jp
NSns1.value-domain.com
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.value-domain.com
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns4.value-domain.com ⚠️ Not in zone NS records
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns5.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXsf2.org
A202.172.28.62🇯🇵 DRNET202.172.24.0/21
PTRs61.coreserver.jp
TXTv=spf1 ip4:202.172.28.62 ~all
SOAns1.value-domain.comhostmaster@sf2.org 2020-08-26 #20

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1786598744

Subdomains

Same first word

Similar names

DNS History

7 records (7 active, 0 former)

20162017201820192020202120222023202420252026NSns1.value-domain.comns2.value-domain.comns3.value-domain.comns4.value-domain.comns5.value-domain.comMXsf2.orgA202.172.28.62
NSns1.value-domain.com2015-06-09 → 2026-08-13 · 2 obs
● 2015-06-09 16:59:04
● 2026-08-13 05:37:46
NSns2.value-domain.com2015-06-09 → 2026-08-13 · 2 obs
● 2015-06-09 16:59:04
● 2026-08-13 05:37:46
NSns3.value-domain.com2026-08-13 → 2026-08-13 · 3 obs
○ 2015-06-09 16:59:04
● 2026-08-13 05:37:44
● 2026-08-13 05:37:46
NSns4.value-domain.com2026-08-13 → 2026-08-13 · 3 obs
○ 2015-06-09 16:59:04
● 2026-08-13 05:37:44
● 2026-08-13 05:37:46
NSns5.value-domain.com2026-08-13 → 2026-08-13 · 3 obs
○ 2015-06-09 16:59:04
● 2026-08-13 05:37:44
● 2026-08-13 05:37:46
MXsf2.org2015-06-09 → 2026-08-13 · 2 obs
● 2015-06-09 16:59:04
● 2026-08-13 05:37:46
A202.172.28.622015-06-09 → 2026-08-13 · 2 obs
● 2015-06-09 16:59:04
● 2026-08-13 05:37:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
sf2.orgns5.value-domain.com, ns4.value-domain.com, ns3.value-domain.com, ns2.value-domain.com...-

✅ Authoritative Response

Server:172.64.53.3

NS records: ns5.value-domain.com, ns4.value-domain.com, ns3.value-domain.com, ns2.value-domain.com, ns1.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sf2.org (unsigned zone)

⏱️ Timing

Total: 562ms | Queries: -

📄 Records

TypeCountSample Data
A1202.172.28.62
NS2ns1.value-domain.com, ns2.value-domain.com
MX1sf2.org (pri: 10)
TXT1v=spf1 ip4:202.172.28.62 ~all
SOA1ns1.value-domain.com hostmaster.sf2.org

Analysis

Hierarchy

sf2.org is a parent domain of www.sf2.org.

IP Addresses

sf2.org points to a single IP number: 202.172.28.62.

Additional host names — dayoffice.net, www.br-nail.com, www.weboy.biz and two others — share IP numbers with sf2.org.

Name Servers

Delegation for sf2.org is to five name servers: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and two others.

sf2.org shares at least some of its name servers with other domains, including solar-kadai.com, ikma.info, kuyo-katachi.com and two others.

These name servers are frequently paired with the name servers ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com and two others.

Host names pointing to a single IP address:

ns1.value-domain.com points to the IP address 172.64.52.38.

ns2.value-domain.com points to the IP address 172.64.53.3.

ns3.value-domain.com points to the IP address 172.64.52.38.

ns4.value-domain.com points to the IP address 172.64.53.3.

ns5.value-domain.com points to the IP address 172.64.52.38.

ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com are host names that all point to 172.64.52.38.

These two host names — ns2.value-domain.com and ns4.value-domain.com — each point to 172.64.53.3 IP addresses.

Mail Servers

sf2.org has a single mail server: sf2.org itself.

There is one IP number for sf2.org: 202.172.28.62.