sequa.de - dns.ninja

sequa.de

DNSSEC⚠️ Not signed
A202.61.251.57🇩🇪 netcup-AS202.61.248.0/22
PTRsequa.de
NSnsa5.schlundtech.de ⭐
A2607:f1c0:fe:53:185:132:34:227🇺🇸 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-stec.ui-dns.com
A185.132.34.227🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-stec.ui-dns.com
NSnsb5.schlundtech.de
A2607:f1c0:fe:53:185:132:35:227🇺🇸 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-stec.ui-dns.org
A185.132.35.227🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-stec.ui-dns.org
NSnsc5.schlundtech.de
A2001:8d8:fe:53:217:160:80:227🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-stec.ui-dns.de
A217.160.80.227🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-stec.ui-dns.de
NSnsd5.schlundtech.de
A2001:8d8:fe:53:217:160:81:227🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-stec.ui-dns.biz
A217.160.81.227🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-stec.ui-dns.biz
MXsequa-de.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::c🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db9pr02cu00204.inbound.protection.outlook.com
A2a01:111:f403:ca09::9🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr04cu00801.inbound.protection.outlook.com
A2a01:111:f403:ca09::b🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am7pr05cu00103.inbound.protection.outlook.com
A2a01:111:f403:ca09::20🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr05cu00400.inbound.protection.outlook.com
A52.101.68.10🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dbbpr03cu00102.inbound.protection.outlook.com
A52.101.73.15🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am9pr04cu00107.inbound.protection.outlook.com
A52.101.73.28🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am7pr05cu00204.inbound.protection.outlook.com
A52.101.73.153🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as8pr05cu00401.inbound.protection.outlook.com
TXTv=spf1 ip4:195.14.211.39/32 ip4:5.35.245.123/32 ip4:88.99.103.15/32 include:s...
TXTapple-domain-verification=ln3Tn8Tca5HVlhcA
SOAnsa5.schlundtech.dedo-not-reply@sequa.de 2025-05-19 #1

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1781263737
WOT: SAFE (62/100)

PTR for

57.251.61.202.in-addr.arpa

Same first word

sequa.org
sequa.de
sequa.tech
sequa.com

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quase.us

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSnsa5.schlundtech.densb5.schlundtech.densc5.schlundtech.densd5.schlundtech.dedns11.netcologne.dedns12.netcologne.dedns13.netcologne.dedns14.netcologne.deMXsequa-de.mail.protection.outlook.comA202.61.251.572001:4dd0:100:1f00:80:0:80:12a01:488:66:1000:523:f57b:0:15.35.245.12381.173.194.3
○NSdns11.netcologne.de2015-08-23 → 2017-02-18 · 4 obs
● 2015-08-23 15:39:08
● 2017-02-18 21:24:06
○ 2026-02-22 10:16:30
○ 2026-06-12 11:50:38
○NSdns12.netcologne.de2015-08-23 → 2017-02-18 · 4 obs
● 2015-08-23 15:39:08
● 2017-02-18 21:24:06
○ 2026-02-22 10:16:30
○ 2026-06-12 11:50:38
○NSdns13.netcologne.de2015-08-23 → 2017-02-18 · 4 obs
● 2015-08-23 15:39:08
● 2017-02-18 21:24:06
○ 2026-02-22 10:16:30
○ 2026-06-12 11:50:38
○NSdns14.netcologne.de2015-08-23 → 2017-02-18 · 4 obs
● 2015-08-23 15:39:08
● 2017-02-18 21:24:06
○ 2026-02-22 10:16:30
○ 2026-06-12 11:50:38
●NSnsa5.schlundtech.de2026-02-22 → 2026-06-12 · 3 obs
○ 2017-02-18 21:24:06
● 2026-02-22 10:16:30
● 2026-06-12 11:50:38
●NSnsb5.schlundtech.de2026-02-22 → 2026-06-12 · 3 obs
○ 2017-02-18 21:24:06
● 2026-02-22 10:16:30
● 2026-06-12 11:50:38
●NSnsc5.schlundtech.de2026-02-22 → 2026-06-12 · 3 obs
○ 2017-02-18 21:24:06
● 2026-02-22 10:16:30
● 2026-06-12 11:50:38
●NSnsd5.schlundtech.de2026-02-22 → 2026-06-12 · 3 obs
○ 2017-02-18 21:24:06
● 2026-02-22 10:16:30
● 2026-06-12 11:50:38
●MXsequa-de.mail.protection.outlook.com2015-08-23 → 2026-06-12 · 2 obs
● 2015-08-23 15:39:08
● 2026-06-12 11:50:38
○A2001:4dd0:100:1f00:80:0:80:12015-08-23 → 2016-04-28 · 4 obs
● 2015-08-23 15:39:08
● 2016-04-28 02:04:02
○ 2017-02-18 21:24:06
○ 2026-06-12 11:50:38
●A202.61.251.572026-02-22 → 2026-06-12 · 3 obs
○ 2017-02-18 21:24:06
● 2026-02-22 10:16:30
● 2026-06-12 11:50:38
○A2a01:488:66:1000:523:f57b:0:12017-02-18 → 2017-02-18 · 4 obs
○ 2016-04-28 02:04:02
● 2017-02-18 21:24:06
○ 2026-02-22 10:16:30
○ 2026-06-12 11:50:38
○A5.35.245.1232017-02-18 → 2017-02-18 · 4 obs
○ 2016-04-28 02:04:02
● 2017-02-18 21:24:06
○ 2026-02-22 10:16:30
○ 2026-06-12 11:50:38
○A81.173.194.32016-01-24 → 2016-04-28 · 5 obs
○ 2015-08-23 15:39:08
● 2016-01-24 01:16:00
● 2016-04-28 02:04:02
○ 2017-02-18 21:24:06
○ 2026-06-12 11:50:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, f.nic.de, a.nic.de-
sequa.densa5.schlundtech.de, nsc5.schlundtech.de, nsb5.schlundtech.de, nsd5.schlundtech.de-

✅ Authoritative Response

Server:217.160.81.227

NS records: nsa5.schlundtech.de, nsc5.schlundtech.de, nsb5.schlundtech.de, nsd5.schlundtech.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sequa.de (unsigned zone)

⏱️ Timing

Total: 1534ms | Queries: -

📄 Records

TypeCountSample Data
A1202.61.251.57
NS4nsa5.schlundtech.de, nsc5.schlundtech.de...
MX1sequa-de.mail.protection.outlook.com (pr
TXT2v=spf1 ip4:195.14.211.39/32 ip4:5.35.245, apple-domain-verification=ln3Tn8Tca5HVlh
SOA1nsa5.schlundtech.de do-not-reply.sequa.d

Analysis

IP Addresses

sequa.de resolves to one IP address: 202.61.251.57.

Other host names, for instance redcert.org, www.redcert.org and mail.redcert.org share IP numbers with sequa.de.

Name Servers

sequa.de is delegated to four name servers, nsa5.schlundtech.de, nsb5.schlundtech.de, nsc5.schlundtech.de and nsd5.schlundtech.de.

At least some of sequa.de's name servers are shared with other domains, for example matratzen-berlin.info, juwe.org, schmuckwelten-arkaden.de and two more.

Four hostnames, each resolving to a pair of IP addresses: nsa5.schlundtech.de directs to 185.132.34.227 and 2607:f1c0:fe:53:185:132:34:227; nsb5.schlundtech.de directs to 185.132.35.227 and 2607:f1c0:fe:53:185:132:35:227; nsc5.schlundtech.de directs to 217.160.80.227 and 2001:8d8:fe:53:217:160:80:227; nsd5.schlundtech.de directs to 217.160.81.227 and 2001:8d8:fe:53:217:160:81:227.

Mail Servers

Mail for sequa.de is handled by a single mail server, sequa-de.mail.protection.outlook.com.

sequa-de.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.10, 52.101.73.15, 52.101.73.28 and 5 others.