u-first.org - robtex.com

u-first.org

DNSSEC⚠️ Not signed
A2607:f1c0:100f:f000::2fb🇺🇸 IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTR2607-f1c0-100f-f000-0000-0000-0000-02fb.elastic-ssl.ui-r.com
A74.208.236.96🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
NSns1026.ui-dns.org ⭐
A2001:8d8:fe:53:0:d9a0:531a:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1026.ui-dns.org
A217.160.83.26🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1026.ui-dns.org
NSns1084.ui-dns.de
A2607:f1c0:fe:53:185:132:32:84🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1084.ui-dns.de
A217.160.80.84🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1084.ui-dns.de
NSns1106.ui-dns.com
A2001:8d8:fe:53:0:d9a0:526a:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1106.ui-dns.com
A217.160.82.106🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1106.ui-dns.com
NSns1112.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:5170:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1112.ui-dns.biz
A217.160.81.112🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1112.ui-dns.biz
MXmx00.ionos.com ⭐
A74.208.5.3🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
PTRmx00.perfora.net
MXmx01.ionos.com ⭐
A74.208.5.21🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
PTRmx01.perfora.net
TXT64331b4f272384ec7155e88dbf3640746af01ed6
TXTv=spf1 include:_spf-us.ionos.com ~all
SOAns1026.ui-dns.orghostmaster@1und1.com 2017-06-01 #7

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=1778501562

Same first word

u-first.com.au
u-first.org
u-first.com

Similar names

surf-it.nl
rus-fit.ru
surf-it.be
surf-it.de

DNS History

8 records (8 active, 0 former)

NSns1026.ui-dns.orgns1084.ui-dns.dens1106.ui-dns.comns1112.ui-dns.bizMXmx00.ionos.commx01.ionos.comA2607:f1c0:100f:f000::2fb74.208.236.96
●NSns1026.ui-dns.org2026-03-04 → 2026-05-11 · 2 obs
● 2026-03-04 05:25:30
● 2026-05-11 12:27:50
●NSns1084.ui-dns.de2026-03-04 → 2026-05-11 · 2 obs
● 2026-03-04 05:25:30
● 2026-05-11 12:27:50
●NSns1106.ui-dns.com2026-03-04 → 2026-05-11 · 2 obs
● 2026-03-04 05:25:30
● 2026-05-11 12:27:50
●NSns1112.ui-dns.biz2026-03-04 → 2026-05-11 · 2 obs
● 2026-03-04 05:25:30
● 2026-05-11 12:27:50
●MXmx00.ionos.com2026-03-04 → 2026-05-11 · 2 obs
● 2026-03-04 05:25:30
● 2026-05-11 12:27:50
●MXmx01.ionos.com2026-03-04 → 2026-05-11 · 2 obs
● 2026-03-04 05:25:30
● 2026-05-11 12:27:50
●A2607:f1c0:100f:f000::2fb2026-03-04 → 2026-05-11 · 2 obs
● 2026-03-04 05:25:30
● 2026-05-11 12:27:50
●A74.208.236.962026-03-04 → 2026-05-11 · 2 obs
● 2026-03-04 05:25:30
● 2026-05-11 12:27:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
u-first.orgns1112.ui-dns.biz, ns1084.ui-dns.de, ns1026.ui-dns.org, ns1106.ui-dns.com2 records

✅ Authoritative Response

Server:217.160.82.106

NS records: ns1112.ui-dns.biz, ns1084.ui-dns.de, ns1026.ui-dns.org, ns1106.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for u-first.org (unsigned zone)

⏱️ Timing

Total: 963ms | Queries: -

📄 Records

TypeCountSample Data
A174.208.236.96
AAAA12607:f1c0:100f:f000::2fb
NS4ns1026.ui-dns.org, ns1084.ui-dns.de...
MX2mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10)
TXT264331b4f272384ec7155e88dbf3640746af01ed6, v=spf1 include:_spf-us.ionos.com ~all
SOA1ns1026.ui-dns.org hostmaster.1und1.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1026.ui-dns.org, ns1026.ui-dns.org)

Analysis

IP Addresses

u-first.org points to two IP numbers: 2607:f1c0:100f:f000::2fb and 74.208.236.96.

Other host names such as lawnpoint.com, 2la.net, venturesllc.com, adfender.org and gordon-graham.com share IPs with u-first.org.

Name Servers

u-first.org is delegated to four name servers: ns1112.ui-dns.biz, ns1106.ui-dns.com, ns1084.ui-dns.de and ns1026.ui-dns.org.

u-first.org at least partially shares name servers with other domains, for example cablesat.net, arisaema.de, kmp-mob.com, absolventenforum-berlin.de and notariat-am-alstertor.de.

these name servers are commonly used with the following name servers: ns1112.ui-dns.org, ns1112.ui-dns.de, ns1084.ui-dns.biz, ns1084.ui-dns.com, ns1084.ui-dns.org, ns1112.ui-dns.com, ns1106.ui-dns.biz, ns1106.ui-dns.org, ns1106.ui-dns.de and ns1026.ui-dns.biz.

Host names with two IP numbers:

ns1112.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:5170:100 and 217.160.81.112

ns1106.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:526a:100 and 217.160.82.106

ns1084.ui-dns.de points to: 2607:f1c0:fe:53:185:132:32:84 and 217.160.80.84

ns1026.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:531a:100 and 217.160.83.26

Mail Servers

Two mail servers handle u-first.org: mx00.ionos.com and mx01.ionos.com.

u-first.org shares the same mail server setup as other domains, including uingo.net, aocsalon.com, esterotoday.com, hairextensionny.com and smfilarsky.com.

Host names with one IP number:

mx00.ionos.com points to 74.208.5.3; mx01.ionos.com points to 74.208.5.21.