nowyouknow.kr - robtex.com
nowyouknow.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.172.93🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | aa5dacf57429c8adc.awsglobalaccelerator.com | ||||||
| A | 76.223.40.250🇺🇸 Amazon76.223.32.0/20 | ||||||
| NS | abtnsdmz1.abbott.com ⭐ | ||||||
| A | 130.36.47.201🇺🇸 AS21899130.36.40.0/21 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | abtnsdmz1.abbott.com | ||||||
| NS | abtnsdmz2.abbott.com ⚠️ Not in zone NS records | ||||||
| A | 20.64.178.77🇺🇸 Microsoft20.64.0.0/10 | ||||||
| NS | rossns.abbott.com | ||||||
| A | 13.66.215.214🇺🇸 Microsoft13.64.0.0/11 MICROSOFT | ||||||
| NS | rossns2.abbott.com | ||||||
| A | 20.64.178.77🇺🇸 Microsoft20.64.0.0/10 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | abtnsdmz1.abbott.comdnsdomainadminstrator@sjm.com serial=19 | ||||||
kr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | g.dns.kr ⭐ | ||||||
| NS | b.dns.kr | ||||||
| NS | c.dns.kr | ||||||
| NS | d.dns.kr | ||||||
| NS | e.dns.kr | ||||||
| NS | f.dns.kr | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2604010542 | ||||||
Same first word
DNS History
6 records (6 active, 0 former)
●NSabtnsdmz1.abbott.com2026-03-30 → 2026-04-01 · 2 obs
● 2026-04-01 00:55:24
●NSabtnsdmz2.abbott.com2026-03-30 → 2026-04-01 · 2 obs
● 2026-04-01 00:55:24
●NSrossns.abbott.com2026-03-30 → 2026-04-01 · 2 obs
● 2026-04-01 00:55:24
●NSrossns2.abbott.com2026-03-30 → 2026-04-01 · 2 obs
● 2026-04-01 00:55:24
●A13.248.172.932026-03-30 → 2026-04-01 · 2 obs
● 2026-04-01 00:55:24
●A76.223.40.2502026-03-30 → 2026-04-01 · 2 obs
● 2026-04-01 00:55:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | - |
| nowyouknow.kr | rossns.abbott.com, rossns2.abbott.com, abtnsdmz1.abbott.com, abtnsdmz2.abbott.com | - |
✅ Authoritative Response
Server:13.66.215.214
NS records: rossns.abbott.com, rossns2.abbott.com, abtnsdmz1.abbott.com, abtnsdmz2.abbott.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at nowyouknow.kr: Error: DNS query timeout: 210.101.60.1 for DS nowyouknow.kr
⏱️ Timing
Total: 3839ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.172.93, 76.223.40.250 |
| NS | 3 | rossns2.abbott.com, rossns.abbott.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | abtnsdmz1.abbott.com dnsdomainadminstrat |
Analysis
IP Addresses
nowyouknow.kr resolves to two IP numbers: 13.248.172.93 and 76.223.40.250.
other host names including convos.abbott, indexor.io, health.sjm.com, timesulin.de and antibodytesting.abbott share IP numbers with nowyouknow.kr.
Name Servers
nowyouknow.kr is delegated to four name servers: abtnsdmz1.abbott.com, abtnsdmz2.abbott.com, rossns2.abbott.com and rossns.abbott.com.
nowyouknow.kr at least partially shares name servers with other domains, for instance mihijonocomebien.mx, crossroads.abbott, abbottmolecular.us, drganchoring.com and pureblissbysimilac.com.
Host names with a single IP:
abtnsdmz1.abbott.com points to 130.36.47.201
abtnsdmz2.abbott.com points to 20.64.178.77
rossns2.abbott.com points to 20.64.178.77
rossns.abbott.com points to 13.66.215.214
Host names pointing to 20.64.178.77: abtnsdmz2.abbott.com and rossns2.abbott.com