sfn.org - robtex.com
sfn.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 40.83.38.50🇺🇸 Microsoft40.80.0.0/12 | ||||||
| PTR | webcdprod.sfn.org | ||||||
| NS | ns27.worldnic.com | ||||||
| A | 162.159.26.132Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-162-159-26-132.defastlink.net | ||||||
| NS | ns28.worldnic.com | ||||||
| A | 162.159.27.77Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-162-159-27-77.defastlink.net | ||||||
| TXT | if1sc485k6mhtu2l8g9aphoo9d | ||||||
| TXT | MS=ms93646379 | ||||||
| TXT | atlassian-sending-domain-verification=afe56a26-3475-4c58-86ab-ee8e70dbd560 | ||||||
| TXT | Atlassian-domain-verification=xxMVEazwioHcppaHLVp7KnA9Eo2RAxmxwyPaUL8aX5ndaIe... | ||||||
| TXT | atlassian-domain-verification=2h4nIo26O4C21W3Rwq49xXHuLyNDi1b8JRqX1ooeHBPaOEf... | ||||||
| TXT | 7t0fms1ul55f32g60ao2b2s3en | ||||||
| TXT | 17ifejtugsbotg51rpl2ntuunp | ||||||
| TXT | 9918b0c38c0a43bc6a0fdec972d55aa67979760d | ||||||
| TXT | v=spf1 ip4:13.82.208.111/32 ip4:13.90.128.153/32 ip4:52.170.248.73/32 ip4:216... | ||||||
| TXT | br3q8pks89fuibpp7g5t15ede1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736 | ||||||
rank #1985 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #69,008
Up
preview.sfn.org |
email.sfn.org |
jn.sfn.org |
web1new.sfn.org |
ebiz.sfn.org |
apu.sfn.org |
web.sfn.org |
webcdprod.sfn.org |
www.sfn.org |
ws.sfn.org |
eneuro.sfn.org |
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
●NSns27.worldnic.com2015-08-20 → 2026-02-28 · 2 obs
● 2026-02-28 02:04:46
●NSns28.worldnic.com2015-08-20 → 2026-02-28 · 2 obs
● 2026-02-28 02:04:46
○MXd30206a.ess.barracudanetworks.com2015-08-20 → 2020-11-20 · 3 obs
● 2020-11-20 16:38:42
○ 2026-02-28 02:04:46
○MXd30206b.ess.barracudanetworks.com2015-08-20 → 2020-11-20 · 3 obs
● 2020-11-20 16:38:42
○ 2026-02-28 02:04:46
○A204.71.142.1402015-08-20 → 2017-01-14 · 4 obs
● 2017-01-14 13:53:56
○ 2020-11-20 16:38:42
○ 2026-02-28 02:04:46
○A40.77.100.102020-11-20 → 2020-11-20 · 3 obs
● 2020-11-20 16:38:42
○ 2026-02-28 02:04:46
●A40.83.38.502026-02-28 → 2026-02-28 · 2 obs
● 2026-02-28 02:04:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| sfn.org | ns28.worldnic.com, ns27.worldnic.com | - |
✅ Authoritative Response
Server: 162.159.26.132
NS records: ns28.worldnic.com, ns27.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sfn.org (unsigned zone)
⏱️ Timing
Total: 356ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 40.83.38.50 |
| NS | 2 | ns28.worldnic.com, ns27.worldnic.com |
| MX | 2 | d30206a.ess.barracudanetworks.com (pri: , d30206b.ess.barracudanetworks.com (pri: |
| TXT | 10 | if1sc485k6mhtu2l8g9aphoo9d, MS=ms93646379... |
| SOA | 1 | NS27.WORLDNIC.COM namehost.WORLDNIC.COM |
AI analysis
sfn.org is the parent of preview.sfn.org, email.sfn.org, jn.sfn.org, web1new.sfn.org, ebiz.sfn.org and several other host names.
sfn.org points to a single IP: 40.83.38.50.
Other host names such as brainfacts.org, www.brainfacts.org, webcdprod.sfn.org and www.sfn.org share IP numbers with sfn.org.
sfn.org's delegation is to two name servers ns27.worldnic.com and ns28.worldnic.com.
sfn.org shares the same name server configuration as other domains, such as ashpitel.com, americanacadenyofeyesurgery.net, jobcraft.mobi, tvsc.org and recordnotfound.com.
Host names with a single IP:
ns27.worldnic.com resolves to 162.159.26.132.
ns28.worldnic.com resolves to 162.159.27.77.