rferee.dev - robtex.com

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rferee.dev

DNSSEC🔒 Signed (DS record present)
A2a01:4f9:c012:ca1f::1🇩🇪 Hetzner
PTRbushido.rfer.ee
A37.27.218.33🇫🇮 Hetzner
NSada.lovelace.ns.rfer.ee ⭐ 🔒
A2a01:4f9:c012:ca1f::1🇩🇪 Hetzner
PTRbushido.rfer.ee
A37.27.218.33🇫🇮 Hetzner
PTRbushido.rfer.ee
NSgrace.hopper.ns.rfer.ee 🔒
A2a01:4f9:c012:ae17::1🇩🇪 Hetzner
PTRnanomoira.rfer.ee
A135.181.93.191🇫🇮 Hetzner
PTRnanomoira.rfer.ee
NSmargaret.hamilton.ns.rfer.ee 🔒
A2001:41d0:601:1100::445c🇵🇱 OVH
PTRbob.rfer.ee
A54.37.235.153🇫🇷 OVH
PTRbob.rfer.ee
NSmary.wilkes.ns.rfer.ee 🔒
A2001:19f0:7002:101b:5400:5ff:fe35:3ecb🇯🇵 AS-VULTR
PTRshimada.rfer.ee
A45.77.17.75🇯🇵 AS-VULTR
PTRshimada.rfer.ee
NSradia.perlman.ns.rfer.ee 🔒
A140.238.223.77🇨🇭 ORACLE-OCI-31898
MXmail.protonmail.ch ⭐ 🔒
A176.119.200.128🇨🇭 PROTON
PTRmail.protonmail.ch
A185.70.42.128🇨🇭 PROTON
PTRmail.protonmail.ch
A185.205.70.128🇫🇷 PROTON
PTRmail.protonmail.ch
MXmailsec.protonmail.ch(20) 🔒
A176.119.200.129🇨🇭 PROTON
PTRmailsec.protonmail.ch
A185.70.42.129🇨🇭 PROTON
PTRmailsec.protonmail.ch
A185.205.70.129🇫🇷 PROTON
PTRmailsec.protonmail.ch
TXTgoogle-site-verification=A-UdJnOlcTEH2pXfjP47aY8KNf10RSD8xKlE8-75sJo
TXTv=spf1 include:_spf.protonmail.ch include:_spf.tem.scw.cloud mx ~all
TXTopenai-domain-verification=dv-pPP6Q2qAeqgt5Pdn8pVMei3W
TXTprotonmail-verification=9c44e244fde47afe1301ed3275f954883ddac511
SOAada.lovelace.ns.rfer.eeadmin@rferee.dev 2025-08-05 #1

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
📈 Tranco rank: #409,684
🔒 HSTS Preload (+subdomains)

Up

Same first word

Similar names

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
rferee.devada.lovelace.ns.rfer.ee, radia.perlman.ns.rfer.ee, mary.wilkes.ns.rfer.ee, margaret.hamilton.ns.rfer.ee...-

✅ Authoritative Response

Server: 54.37.235.153

NS records: ada.lovelace.ns.rfer.ee, radia.perlman.ns.rfer.ee, mary.wilkes.ns.rfer.ee, margaret.hamilton.ns.rfer.ee, grace.hopper.ns.rfer.ee

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1455ms | Queries: -

📄 Records

TypeCountSample Data
A137.27.218.33
AAAA12a01:4f9:c012:ca1f::1
NS5grace.hopper.ns.rfer.ee, mary.wilkes.ns.rfer.ee...
MX2mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)
TXT4v=spf1 include:_spf.protonmail.ch includ, protonmail-verification=9c44e244fde47afe...
SOA1ada.lovelace.ns.rfer.ee admin.rferee.dev

AI analysis

rferee.dev is the parent of resolver.rferee.dev.

rferee.dev resolves to two IP numbers: 2a01:4f9:c012:ca1f::1 and 37.27.218.33.

Other host names share IP numbers with rferee.dev; for instance rfer.ee.

rferee.dev delegates to five name servers: margaret.hamilton.ns.rfer.ee, grace.hopper.ns.rfer.ee, ada.lovelace.ns.rfer.ee, radia.perlman.ns.rfer.ee and mary.wilkes.ns.rfer.ee.

rferee.dev partially shares name servers with other domains, for instance rfer.ee.

Host names with two IP numbers

margaret.hamilton.ns.rfer.ee points to 2001:41d0:601:1100::445c and 54.37.235.153

grace.hopper.ns.rfer.ee points to 2a01:4f9:c012:ae17::1 and 135.181.93.191

ada.lovelace.ns.rfer.ee points to 2a01:4f9:c012:ca1f::1 and 37.27.218.33

mary.wilkes.ns.rfer.ee points to 2001:19f0:7002:101b:5400:5ff:fe35:3ecb and 45.77.17.75

Host names with one IP number

radia.perlman.ns.rfer.ee points to 140.238.223.77

rferee.dev is served by two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.

rferee.dev shares the mail server setup with other domains, for example dhdmdkd.com, fotis.photos, pappers.eu, degetto.net and e-sgroup.com.

rferee.dev shares some mail servers with other domains, at least partially; for instance aceyourbusiness.com, jbj.me, crusadechannel.com, doogat.com and mamalet.fr.

Host names with three IP numbers: mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128; mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.