knowledge.gratis - dns.ninja

knowledge.gratis

DNSSEC⚠️ Not signed
NSns-mam.ui-dns.com ⭐ ⚠️ Not in parent delegation
A2001:8d8:fe:53:0:d9a0:52d6:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-mam.ui-dns.com
A2607:f1c0:fe:53:185:132:34:214🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-mam.ui-dns.com
A185.132.34.214🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-mam.ui-dns.com
A217.160.82.214🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-mam.ui-dns.com
NSns-ca.ui-dns.biz ⚠️ Not in zone NS records
A2001:8d8:fe:53:0:d9a0:51d4:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-ca.ui-dns.biz
A2607:f1c0:fe:53:185:132:33:212🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-ca.ui-dns.biz
A185.132.33.212🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-ca.ui-dns.biz
A217.160.81.212🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-ca.ui-dns.biz
NSns-ca.ui-dns.com ⚠️ Not in zone NS records
A2001:8d8:fe:53:0:d9a0:52d4:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-ca.ui-dns.com
A2607:f1c0:fe:53:185:132:34:212🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-ca.ui-dns.com
A185.132.34.212🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-ca.ui-dns.com
A217.160.82.212🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-ca.ui-dns.com
NSns-ca.ui-dns.de ⚠️ Not in zone NS records
A2001:8d8:fe:53:0:d9a0:50d4:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-ca.ui-dns.de
A2607:f1c0:fe:53:185:132:32:212🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-ca.ui-dns.de
A185.132.32.212🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-ca.ui-dns.de
A217.160.80.212🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-ca.ui-dns.de
NSns-ca.ui-dns.org ⚠️ Not in zone NS records
A2001:8d8:fe:53:0:d9a0:53d4:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-ca.ui-dns.org
A2607:f1c0:fe:53:185:132:35:212🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-ca.ui-dns.org
A185.132.35.212🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-ca.ui-dns.org
A217.160.83.212🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-ca.ui-dns.org
NSns-mam.ui-dns.biz ⚠️ Not in parent delegation
A2001:8d8:fe:53:0:d9a0:51d6:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-mam.ui-dns.biz
A2607:f1c0:fe:53:185:132:33:214🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-mam.ui-dns.biz
A185.132.33.214🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-mam.ui-dns.biz
A217.160.81.214🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-mam.ui-dns.biz
NSns-mam.ui-dns.de ⚠️ Not in parent delegation
A2001:8d8:fe:53:0:d9a0:50d6:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-mam.ui-dns.de
A2607:f1c0:fe:53:185:132:32:214🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-mam.ui-dns.de
A185.132.32.214🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-mam.ui-dns.de
A217.160.80.214🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-mam.ui-dns.de
NSns-mam.ui-dns.org ⚠️ Not in parent delegation
A2001:8d8:fe:53:0:d9a0:53d6:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-mam.ui-dns.org
A2607:f1c0:fe:53:185:132:35:214🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-mam.ui-dns.org
A185.132.35.214🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-mam.ui-dns.org
A217.160.83.214🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-mam.ui-dns.org
MXno-mx.ui-dns.com
TXTv=spf1 -all
SOAns-mam.ui-dns.comdnsadmin@ionos.com 2021-02-23 #2

gratis

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.gratis
NSv0n1.nic.gratis
NSv0n2.nic.gratis
NSv0n3.nic.gratis
NSv2n0.nic.gratis
NSv2n1.nic.gratis
SOAv0n0.nic.gratishostmaster@donuts.email serial=1786554019
⚠️ On DNS blocklist: spam-tlds

Same first word

Similar names

DNS History

9 records (9 active, 0 former)

NSns-ca.ui-dns.bizns-ca.ui-dns.comns-ca.ui-dns.dens-ca.ui-dns.orgns-mam.ui-dns.bizns-mam.ui-dns.comns-mam.ui-dns.dens-mam.ui-dns.orgMXno-mx.ui-dns.com
NSns-ca.ui-dns.biz2026-08-12 → 2026-08-12 · 2 obs
● 2026-08-12 01:41:42
● 2026-08-12 18:12:04
NSns-ca.ui-dns.com2026-08-12 → 2026-08-12 · 2 obs
● 2026-08-12 01:41:42
● 2026-08-12 18:12:04
NSns-ca.ui-dns.de2026-08-12 → 2026-08-12 · 2 obs
● 2026-08-12 01:41:42
● 2026-08-12 18:12:04
NSns-ca.ui-dns.org2026-08-12 → 2026-08-12 · 2 obs
● 2026-08-12 01:41:42
● 2026-08-12 18:12:04
NSns-mam.ui-dns.biz2026-08-12 → 2026-08-12 · 2 obs
● 2026-08-12 01:41:42
● 2026-08-12 18:12:04
NSns-mam.ui-dns.com2026-08-12 → 2026-08-12 · 2 obs
● 2026-08-12 01:41:42
● 2026-08-12 18:12:04
NSns-mam.ui-dns.de2026-08-12 → 2026-08-12 · 2 obs
● 2026-08-12 01:41:42
● 2026-08-12 18:12:04
NSns-mam.ui-dns.org2026-08-12 → 2026-08-12 · 2 obs
● 2026-08-12 01:41:42
● 2026-08-12 18:12:04
MXno-mx.ui-dns.com2026-08-12 → 2026-08-12 · 2 obs
● 2026-08-12 01:41:42
● 2026-08-12 18:12:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
gratisv0n0.nic.gratis, v0n1.nic.gratis, v0n2.nic.gratis, v0n3.nic.gratis...12 records
knowledge.gratisns-ca.ui-dns.biz, ns-ca.ui-dns.de, ns-ca.ui-dns.org, ns-ca.ui-dns.com-

✅ Authoritative Response

Server:217.160.81.212

NS records: ns-ca.ui-dns.biz, ns-ca.ui-dns.de, ns-ca.ui-dns.org, ns-ca.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge.gratis (unsigned zone)

⏱️ Timing

Total: 642ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns-mam.ui-dns.com, ns-mam.ui-dns.de...
MX1no-mx.ui-dns.com (pri: 1)
TXT1v=spf1 -all
SOA1ns-mam.ui-dns.com dnsadmin.ionos.com

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.gratis, v0n0.nic.gratis, v0n1.nic.gratis...)

Analysis

Name Servers

knowledge.gratis carries NS records listing 8 name servers — ns-ca.ui-dns.biz, ns-mam.ui-dns.biz, ns-ca.ui-dns.com and 5 others.

There is at least partial name server overlap between knowledge.gratis and other domains — giga.systems, deutsche.domains, schmidt.gmx and two more among them.

These name servers tend to appear together with the name servers ns-mam.ui-dns.com, ns-mam.ui-dns.de and ns-mam.ui-dns.org, plus two others.

Host names with four IP addresses:

ns-ca.ui-dns.biz resolves to four IP addresses — 185.132.33.212, 217.160.81.212, 2001:8d8:fe:53:0:d9a0:51d4:100 and 2607:f1c0:fe:53:185:132:33:212.

ns-mam.ui-dns.biz resolves to four IP addresses — 185.132.33.214, 217.160.81.214, 2001:8d8:fe:53:0:d9a0:51d6:100 and 2607:f1c0:fe:53:185:132:33:214.

ns-ca.ui-dns.com resolves to four IP addresses — 185.132.34.212, 217.160.82.212, 2001:8d8:fe:53:0:d9a0:52d4:100 and 2607:f1c0:fe:53:185:132:34:212.

ns-mam.ui-dns.com resolves to four IP addresses — 185.132.34.214, 217.160.82.214, 2001:8d8:fe:53:0:d9a0:52d6:100 and 2607:f1c0:fe:53:185:132:34:214.

ns-ca.ui-dns.de resolves to four IP addresses — 185.132.32.212, 217.160.80.212, 2001:8d8:fe:53:0:d9a0:50d4:100 and 2607:f1c0:fe:53:185:132:32:212.

ns-mam.ui-dns.de resolves to four IP addresses — 185.132.32.214, 217.160.80.214, 2001:8d8:fe:53:0:d9a0:50d6:100 and 2607:f1c0:fe:53:185:132:32:214.

ns-ca.ui-dns.org resolves to four IP addresses — 185.132.35.212, 217.160.83.212, 2001:8d8:fe:53:0:d9a0:53d4:100 and 2607:f1c0:fe:53:185:132:35:212.

ns-mam.ui-dns.org resolves to four IP addresses — 185.132.35.214, 217.160.83.214, 2001:8d8:fe:53:0:d9a0:53d6:100 and 2607:f1c0:fe:53:185:132:35:214.

Mail Servers

knowledge.gratis uses one mail server — no-mx.ui-dns.com.

The mail server setup of knowledge.gratis matches that of other domains such as private.expert, securitymadeingermany.business, classic.land and two others.