bylderup-ic.dk

📜 Historical scan 2026-06-25 15:30:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bylderup-ic.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 26 September 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.124 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by bylderupic-dk02b.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 236ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 136ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.124	3600s	linux242.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 289ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	bylderupic-dk02b.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::9 2a01:111:f403:ca09::3 2a01:111:f403:ca09::9 52.101.68.10 52.101.68.3 52.101.73.22 52.101.73.24	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	52.98.152.200
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 322ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 494ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

✉️ SPF#

Policy	Record (bylderup-ic.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.bylderup-ic.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-22 09:19:12

www	94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domain	Same network bylderup-ic.dk: 94.231.103.100 (AS48854) www.bylderup-ic.dk: 94.231.103.100 (AS48854)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

293ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

300ms

Field	Value
Serial	2025042300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-11 08:38:38

Field	Value
Registrar	Simply.com A/S
Registered	2003-09-26
Expires	2027-09-30 (338d)

📋 WHOIS#

⏱️ Lookup Timing#

236ms

136ms

289ms

AAAA

61ms

TXT

494ms

CAA

32ms

HTTPS

360ms

TLSA

178ms

SOA

300ms

MTA-STS

275ms

DNSSEC

293ms

SRV

322ms

Total

1163ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 09:19:12	487ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-08 15:07:00	806ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-07 15:00:35	897ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 12:32:40	1299ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-23 11:28:32	876ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-20 11:29:17	1174ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 01:57:00	1023ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-28 02:23:55	972ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-25 15:30:43 shown	1163ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:25:03	766ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:20:28	731ms	4 NS 1 A 1 MX	🔒 Secure